Alternate Universes: Part 14 – Phineas and Ferb
Phineas and Ferb (seasons 1–3)
Season 1
Phineas and Ferb construct a rollercoaster, inspired to create a better one after being unsatisfied with a past one that they saw at the county fair. Meanwhile, Perry stops Dr. Doofensmirtz from reversing the Earth's rotation with a large ball of tinfoil. The ball picks up the rollercoaster, stopping Candace from busting Phineas and Ferb.
Phineas and Ferb construct a Backyard Beach in order to survive the intense heat wave that has struck their city. Meanwhile, Perry has to halt the destruction of all the lawn gnomes in the tri-state area by Dr. Doofenshmirtz. When Candace's friends tell her Jeremy is at the backyard beach, Candace decides to interfere and have fun, until Mom arrives, Dr. Doofenshmirtz's invention sends all the local lawn gnomes out of an artificial volcano, and Perry drains out all of the water.
Phineas and Ferb's song "Gitchee, Gitchee, Goo" becomes a one-hit wonder and brings them worldwide fame, while Candace wins a chance to sing on stage with them during the auditions for a reality music competition. Meanwhile, Doofenshmirtz turns his building into a giant robot to wreak terror upon the Tri-State Area.
The boys transform Mom's car into a remote-controlled race car and enter it into a race. Meanwhile, Doofenshmirtz uses his new invention, the Deflate-inator, which is curiously mounted to a blimp, to try to deflate everything in the Tri-State Area.
Candace stars in the movie The Princess Sensibilities. However she finds out that new directors Phineas and Ferb have changed it to The Curse of the Princess Monster. Meanwhile, Doofenshmirtz creates an Age-Accelerator-inator to age cheese, but ends up trying to age Perry.
When Buford challenges Phineas to a thumb-wrestling competition, Phineas receives training by boxing champion Evander Holyfield. Doofenshmirtz creates a hypnotic device to control people's minds so they will be forced to celebrate his birthday and clean up afterwards.
The boys plan to carve Candace's face into Mount Rushmore for her birthday. Perry tries to prevent Doofenshmirtz from boring a tunnel to the People's Republic of China from Mount Rushmore.
The boys clone themselves as Phinedroids and Ferbots (robots) so they can get more projects completed. Doofenshmirtz tries using a giant magnet to erase messages he left on his girlfriend's answering machine.
Candace tries to become a fashion model, while Phineas and Ferb create a fashion collection entitled "Summer All the Time". Doofenshmirtz designs a machine to create clones of himself so they can wait in line for him.
As a side-effect of Doofenshmirtz's plot to use termites to destroy all the wood in the area to help his new aluminum-siding business, Phineas, Ferb, and Isabella try to wrangle a herd of cattle from a ranch that were set free by the termites destroying their barn.
The boys use a snow-cone machine to create a Winter paradise during the middle of Summer in their backyard, Candace tries to pursue Jeremy (who she thinks dropped her for a Swedish exchange student), and Doofenshmirtz tries to melt chocolate with a machine made from laser pointers.
The boys create a circus for the neighborhood after their original circus plans are canceled, while Jeremy gives Candace wild parsnips without knowing that she is allergic to them. Doofenshmirtz creates a device to make people's voices higher so his own voice will seem lower but instead, it gets even higher.
The boys visit an Egyptian-themed movie theater and attempt to get a mummy of their own, but they end up capturing Candace, who is wrapped in toilet paper. Doofenshmirtz tries to raise the city's water level by destroying a beaver dam so his real estate will become beachfront property.
Candace and her friend, Stacy travel on a tour bus with the Bettys, but later realize they're only being used as servants. Meanwhile, the boys accidentally discover Perry's lair and are sent onto a mission intended for him.
The boys try to make a giant ice-cream maker for Isabella after her tonsils are taken out. Doofenshmirtz tries to build a giant space laser, while, Vanessa, is staying with him for the weekend. Meanwhile, Candace, as usual, is trying to bust Phineas and Ferb, at the same time as Vanessa is trying to bust her dad, Dr. Doofenshmirtz. Ironically, Linda Flynn-Fletcher and Charlene Doofenshmirtz are attending a cooking class together.
After Candace sarcastically suggests that they can make a better toy than the Har D Har Toy Company's "Shimmy Jimmy", Phineas and Ferb design an "inaction figure" based on their pet platypus. Meanwhile, Doofenshmirtz plots to build toll booths to enter and exit the Tri-State Area so he can become rich.
Candace and the boys visit their grandparents at a lake house and the children try to scare her with a fake Bigfoot, but then their grandma's twin scares them with a more lifelike Bigfoot. Perry is trapped in Doofenshmirtz's love triangle as he bursts in while on a date.
The boys invent a monster truck for Candace to practice driving, but soon her practice run turns into a massive racing rally. Doofenshmirtz tries to discover investors for his line of monster trucks that are actual monsters.
Candace plans a special birthday party for Mom, and even a song, but Phineas and Ferb's plans keep upstaging her own. In the end, though, they let Candace give Mom the best gift of all. Doofenshmirtz creates a shrinking machine (without the usual inator suffix) that will make whatever he hates (pelicans, instruments that start with the letter "B", blinking traffic arrows, etc.) shrink to the size of an atom.
The boys build a shrinking submarine so they can go inside Isabella's pet chihuahua and retrieve a sash it ate, but they accidentally end up in Candace's stomach instead while she is on a date with Jeremy. Meanwhile, Perry tries to stop Doofenshmirtz's plans to destroy anyone who can't make up their mind with his newest invention, realizing that it may destroy Phineas and Ferb.
Phineas and Ferb decide to repair a time machine at a natural history museum, sending themselves and Candace to the Jurassic Age. Meanwhile, Dr. Doofenshmirtz replaces Perry the Platypus as his nemesis with a secret agent panda, causing Perry to become depressed.
The boys locate their parents' favorite band, Love Händel, to perform a reunion concert in the backyard to make up for their Dad wedding anniversary. Meanwhile, Doofenshmirtz plans a surprise birthday party for, Vanessa, also planning to launch Perry the Platypus on a giant firecracker as the grand finale.
The boys build tree-houses for themselves and Candace. Dr. Doofenshmirtz plans to use brainwashed pigeons to destroy a celebration in honor of his brother.
The boys set out on a high-seas adventure after learning from their grandpa about a mysterious pirate, Badbeard. Candace spies Perry and Dr. Doofenshmirtz up to their old tricks after getting infected by a psychedelic moss.
The boys stage a chariot race through Danville's streets after learning about ancient Greece. Perry finds his latest enemy to be, not Doofenshmirtz, but instead one of his creations: a giant, robotic, mild-mannered businessman named Norm.
Candace uses a reality show, Bust Em!, to secretly film her brothers designing a white-water rafting ride. Doofenshmirtz tries to create a new ice age via weather pellets.
The boys build a roller derby rink for their grandma, who once was on a championship derby team, so she can skate against her onetime rival, Jeremy's grandma. Candace is worried that Jeremy will stop liking her if his grandma loses. Doofenshmirtz believes a statue of a bearded Rutherford B. Hayes is mocking him for being unable to grow facial hair.
The boys decide to spend the day doing absolutely nothing, but Candace doesn't believe them and ends up constructing something of her own to try to bust them. Meanwhile, after being considered one of the ugliest people in the region, Doofenshmirtz plans to use an "ugly-inator" to make everyone uglier than he is in order to make himself the most handsome person in the area.
Phineas and Ferb revive a caveman from a glacier, but the caveman gets loose into a costume party Candace is attending, and she mistakes him for Jeremy. Meanwhile, Dr. Doofenshmirtz plans to destroy all people dressed as sandwiches.
When Buford's goldfish, Biff, goes missing, the boys help him find it. Meanwhile, Dr. Doofenshmirtz tries to re-gain his evil reputation after accidentally saving a kitten who fell from a tree.
Phineas, Ferb and Candace visit their grandparents in England and the boys create a Renaissance fair, where Candace ends up in a jousting tournament. Meanwhile, Perry goes undercover at an evil scientists' convention to track down Dr. Doofenshmirtz.
Candace acquires footage from a traffic camera showing proof of her brothers' antics. But Perry, using Dr. Doofenshmirtz's robot Norm, steals it for himself so it can be destroyed since it contains evidence he is a secret agent.
The boys build the world's largest bowling ball and pins to try to beat the world record and get into "The World's Most Pointless Records." Candace test-drives the bowling ball, which she plans to show to Jeremy, when she accidentally disables an internal gyroscope, she loses control and rolls around through downtown Danville. Meanwhile, Doofenshmirtz tries to use giant robotic penguins to freeze Danville so he can sell addictive hot chocolate for a million dollars a cup.
Phineas and Ferb create a sports competition that puts boys against girls to see which are the better athletes due to Isabella and Buford arguing about who was better. Doofenshmirtz tries to win a dog show.
Phineas and Ferb build an observatory and plan to etch their faces in a comet; Candace is physically tormented by Jeremy's 'criminally-insane' sister Suzy while on an outing with him. Doofenshmirtz buys all the steaks in the city so he can mass-market glasses made from them, and also creates a giant heat ray.
When the town's only miniature golf course is closed, Phineas and Ferb build a giant miniature golf course. Candace is sick with a cold so Stacy decides to talks the boys. Of course, Stacy fails to focus and plays miniature golf with the boys. Meanwhile, Doofenshmirtz moves into a house on the same street as the Flynn-Fletcher house.
After watching an old sci-fi film, Phineas and Ferb decide to build a molecular transporter, which ended up switching the minds of Perry and Candace into each other's body after they accidentally go in together. However, Candace is forced to spend most of the day as a platypus while Perry (in Candace's body) goes on a mission to foil Doofenshmirtz's newest scheme; to replace the Mr. Slushy Burger jingle in the statues of mascot "Slushy the Clown" with his own evil jingles.
The boys help Ferb's grandfather live his life long dream—to jump a gorge in his motorcycle, the Holy Mackerel. Doofenshmirtz tries to kick sand all over a childhood bully's house.
Isabella has the hiccups and Phineas and Ferb build a haunted house to scare them away. Candace goes over to Jeremy's house, but is interrupted by his little sister Suzy. Dr. Doofenshmirtz tries to help his mentor by destroying his lab.
The boys learn about one of Ferb's Victorian ancestors, Ferbgor and Dr. Phineastein, who once created a giant platypus monster for a "Monster Ball". Meanwhile while locked in his lab, Doofenshmirtz tells Perry a loosely connected story about his ancestor Dr. Jekyll Doofenshmirtz, and his failed attempts to make a potion that could turn himself into a monster.
Phineas and Ferb help their friend Django display his artwork. Doofenshmirtz tries to impress his former Evil Science professor.
Phineas and Ferb create a superhero cartoon with exaggerated versions of themselves, their sister and their friends, while Dr. Doofenshmirtz creates a ray gun that makes people dance.
In an unusual role-reversal plot, Dr. Doofenshmirtz builds his own country on a giant inner tube and Vanessa tries to bust him. Meanwhile, Phineas and Ferb create a rainbow just for Isabella and learned that she actually said that she never saw a unicorn. Candace and Vanessa accidentally switch clothes at the dry cleaners. Perry is not able to go due to getting injured.
Lawrence buys a star for both Phineas and Ferb and Candace online, leading the boys to build a rocket to visit it. Meanwhile, Dr. Doofenshmirtz uses a space station robot to perform a shadow puppet show on the Moon to get back at a former classmate—who himself was a poor puppeteer with "huge hands", but still won over a girl who had been interested in Doofenshmirtz.
Candace finally busts Phineas and Ferb, resulting in them being sent to a militaristic reform school that stifles imagination and creativity. When Candace realizes what's being done to her brothers, she teams up with Jeremy to help set them free. However, this adventure turns out to be a dream of Candace's in a dream of Perry the Platypus's.
Baljeet felt bad when he got an A minus. When Baljeet enters the science fair with a design for a portal to Mars, Phineas and Ferb help him build it to scale so he can get his all-important grade. Meanwhile, Dr. Doofenshmirtz tries to win first prize at the fair with a giant baking soda volcano, and Candace competes with a girl for a job at Mr. Slushy Dawg.
Phineas and Ferb try to rescue Candace from Mars, who thinks that nobody, not even her friends, want to talk to her. Meanwhile, Perry helps Dr. Doofenshmirtz shop for supplies for his baking soda volcano that he believes will make him win the science fair.
Season 2
Phineas and Ferb investigate the myth of the legendary "Lake Nose Monster", an inhabitant of Lake Nose. Meanwhile, Doofenshmirtz uses a machine to filter all of the zinc out of the water of the lake, even though he experiences trouble thinking of an evil scheme that could involve zinc, and Candace gets a job as a lifeguard on the lake's beach when Jeremy also works there as a lifeguard.
Phineas and Ferb build a translator to see if Perry's chattering noises actually mean anything, but they discover it can work on other animals too. Meanwhile, Doofenshmirtz tries to flood the Tri-State Area so he can make it like Venice and force everyone to buy his new Buoyancy Operated Aquatic Transport, or BO-AT for short.
Phineas and Ferb learn what the word "aglet" means and try to spread awareness of this to the world, while a disbelieving Candace uses the campaign as an opportunity to become famous. Meanwhile, Doofenshmirtz tries to get an embarrassing video of himself skating into a toilet off the internet by erasing the world's memory of its existence.
Candace uses a growth elixir Phineas and Ferb created to become tall enough to audition for a modeling career at a local festival, but becomes a 50-foot giant as a result, causing an argument over her between the festival's modeling audition lady and an eccentric oddball show owner. Meanwhile, Doofenshmirtz plots to cover the festival with the smell of dirty diapers.
Phineas and Ferb build a giant aquarium in their backyard for their new goldfish. Meanwhile, Candace awaits a phone call from Jeremy, and Doofenshmirtz plots to disrupt the hot dog vendors of Danville so he can force them to sell bratwurst.
The boys are inspired to make gelatin in their pool after Candace tells them to do something with their dessert. But, when Dr. Doofenshmirtz demonstrates his newest invention, the "Turn Everything Evil-inator", it literally brings the gelatin to life.
The family and Stacy visit London, where Stacy and Candace investigate the boys' newest scheme (a water slide from the top of Big Ben that ends on the London Eye) in the style of Sherlock Holmes. Meanwhile, Perry collaborates with a James Bond-esque British spy, Double 0-0 or 00 0, to foil Dr. Doofenshmirtz's plan to move Big Ben to Danville as an alternative to reading his tiny watch.
Candace tries to figure out where all of Phineas and Ferb's creations always go. Meanwhile, Doofenshmirtz experiments with a ray that can make things invisible.
Phineas and Ferb open a platypus themed restaurant in their backyard, which quickly becomes the trendiest restaurant in town. Jeremy takes Candace there, but both of them have to deal with Buford who refuses to let them in. Meanwhile, Doofenshmirtz goes on a date at the restaurant with a woman also interested in evil, but threatens to use a satellite to eliminate all love in the Tri-State Area if it doesn't go well. The date goes well and before they can kiss, the love satellite crashes and changes her feeling towards him, making her dump him.
When Phineas and Ferb find an egg, they believe it belongs to Perry, so they build a mechanical contraption to care for it. When Candace sees what her brothers are doing, her maternal instincts emerge and she agrees to help, on the condition that they do things her way. Meanwhile, Doofenshmirtz plots revenge on whales who told his girlfriend to dump him by means of a whale translation device he created.
Phineas and Ferb create their own video game and program themselves into it. When Candace is accidentally zapped into the game, Phineas and Ferb have to bring her back in time for her cotillion. Meanwhile, Doofenshmirtz creates a device that can put ball gowns onto people to make them girlier (which would make him manlier by comparison).
When the boys accidentally knock a spacecraft out of the air with a remote-controlled baseball, Candace discovers an alien named Meap, who she initially believes is a plush toy that had been "robotized" by her brothers. But when Phineas, Ferb and Isabella are captured by Mitch, an alien poacher trying to capture the "cute" creature, Candace and Meap are forced to help rescue them. Meanwhile, when Dr. Doofenshmirtz tries to retrieve a balloon he had treated as a friend in his childhood using static electricity, he and Perry are launched into the crossfire of the battle with Mitch.
When Candace meets Mandy, the sister of a pair of brothers who also like to build ambitious projects, the two ultimately force their brothers to compete in building forts. Meanwhile at a family reunion, Dr. Doofenshmirtz tries to win a game of kickball with a robotic kicking leg.
Phineas and Ferb build a passenger plane out of papier-mâché to beat the record of the longest wingspan held by the famous Spruce Goose. Meanwhile, at the pool party at Jeremy's house, Candace and Stacy see an Australian girl named Nicolette who seems to be trying to gain Jeremy's attention (Candace doesn't know that Nicolette is actually Jeremy's cousin), and Doofenshmirtz builds an evaporation machine out of recycled materials.
When Candace learns Jeremy is going to appear in a television commercial, she decides to compete against Buford in a game show Phineas and Ferb are producing. Meanwhile, Doofenshmirtz plots to melt local television station towers to curb an addiction to ordering products from infomercials.
Phineas and Ferb help Isabella and the Fireside Girls meet their fundraising goals by building the world's most elaborate automatic car wash. Candace ignores Stacy's advice to play "hard to get" to Jeremy when he invites for a ride in his mother's car to the boys' car wash. Doofenshmirtz tries to literally make mountains out of molehills.
When Perry is reassigned to a new villain after Dr. Doofenshmirtz is downgraded to a low-level threat, he is ordered to leave the Flynn-Fletcher household and re-locate to the new villain's area; the boys believe Perry has gone missing and try to find him. Meanwhile, after learning of his downgrade, Dr. Doofenshmirtz confront Perry's new nemesis, but ends up accepting an internship with the new villain. Because she kicked him out of the house after tripping over him, Candace blames herself for Perry's disappearance and works with the gang to get Perry back.
After becoming marooned on an island after a storm, Phineas and Ferb build an elaborate island tree house as a shelter. Candace goes freaky with getting back home because she wants to get to Jeremy's party on time. Meanwhile in an inactive volcano on the island, Dr. Doofenshmirtz enslaves monkeys to help him start a laundry cleaning business so he can eventually replace all the laundromats in the Tri-State Area with a franchise of "Evilology" institutes. However, Perry's mission to stop him becomes delayed when Baljeet was asked to take care of him during his owners' absence.
Candace tries to bust her brothers when, to play a game of indoor hide and seek, Phineas and Ferb shrink themselves and their friends down including their new extreme fan, Irving. Meanwhile, Dr. Doofenshmirtz attaches a nanobot to Perry in an attempt to discover where he lives.
Baljeet wants to impress his childhood friend from India, so he enlists Phineas and Ferb to help woo her. However, none of their over-the-top romantic gestures impress her, as she likes Baljeet for who he really is. Meanwhile, Perry must stop the sleep deprived Dr. Doofenshmirtz from moving the Danville Lighthouse to the other side of town so that he isn't bothered by all the ships.
Baljeet enlists the help of Phineas and Ferb to create a song to perform at a summer camp concert, Candace sets Stacy up with Coltrane, while also getting frustrated that Jeremy didn't give her a nickname, Doofenshmirtz plots to create an army of babies by broadcasting his heartbeat across the city on a speaker.
Dr. Doofenshmirtz gives his daughter Vanessa an assignment to retrieve a container at a mall containing a rare element for him to prove she is responsible enough to have her own car (and so Doofenshmirtz can experiment with it), but Perry (who is trying to get it away from Dr. Doofenshmirtz), Baljeet (who wants to use it in a science project), and Candace (who thinks the item is a lantern she can give to Jeremy) are also trying to get the capsule. Meanwhile, Phineas spends the entire episode relaxing in a massage chair while Ferb is helping Vanessa retrieve the container.
Candace finds a rabbit outside her house and decides to take it in as a pet. However, the rabbit is actually a rogue agent named Dennis, whom Perry is trying to prevent from hacking into the Agency's mainframe. Meanwhile, Phineas and Ferb develop actual X-ray glasses after being ripped off by a novelty variety, and due to Perry's absence Dr. Doofenshmirtz appoints a potted plant as his nemesis.
Candace becomes sidetracked from a scheduled spa appointment and forces Stacy to work at a construction site with her because Jeremy is there, and the boys create their own spa to help make up for the missed appointment. Meanwhile, a stray cat Dr. Doofenshmirtz takes in as a pet causes chaos in his lab.
After encountering them in the future, an older version of Candace decides to steal Phineas and Ferb's time machine and go back in time to the day they built a rollercoaster so she can help the present Candace catch them in the act. But when her actions cause a chain reaction turning the future into a dystopian society led by Dr. Doofenshmirtz, the future Candace decides to enlist her present brothers to help restore the good future.
Major Monogram and Dr. Doofenshmirtz present a viewer-voted countdown of songs from Season 1, while Doofenshmirtz himself plots to take over the world with a song that is scientifically engineered to permanently become stuck in the mind.
When Phineas and Ferb create the largest and most durble bubble ever, they, the Fireside Girls, Buford and Baljeet get trapped inside it flying around the city. Meanwhile, Candace practices driving and Dr. Doofenshmirtz uses a voice-altering cowboy hat to help him spread propaganda through country-and-western music.
In a side story of the previous episode, Isabella and her Fireside Girls troop try to retrieve a rare variety of tree sap for Phineas and Ferb's bubble project from an abandoned amusement park. Meanwhile, Pinky the Chihuahua's nemesis Professor Poofenplotz tries to steal a supply of her favorite, but discontinued hair spray.
After feeling depressed when Jeremy cancels his date with her, Phineas and Ferb try to cheer Candace up. Meanwhile, Perry is discharged from the agency after he is accused of a series of crimes, only though he later discovers that Dr. Doofenshmirtz has framed Perry using various different clones of him.
Candace joins the Fireside Girls and tries to get 50 patches in one day so she can get tickets to see a Paisley Sideburn Brothers performance at their jamboree. Meanwhile, Dr. Doofenshmirtz tries to halt Fireside Girls cupcake sales by using a device that can turn things into broccoli, including the factory where the cupcakes are made.
Buford vows to become Baljeet's slave after he saves Buford from choking on a hot dog while eating four at once. Meanwhile, Candace tries to prevent Jeremy from seeing embarrassing photos she accidentally sent to his cell phone, and Dr. Doofenshmirtz tries to get back at an ice cream truck driver who drove over his foot.
When Lawrence accidentally sells Candace's Little Mary McGuffin doll to Dr. Doofenshmirtz as a gift for his daughter Vanessa, Phineas and Ferb try to investigate it like movie and TV
detectives. Meanwhile, Dr. Doofenshmirtz tries to retrieve a working on-off switch for his newest device.
When Phineas and Ferb create a teleporter that can retrieve objects from anywhere by scanning in photographs, Candace tries to expose it to Linda by teleporting her back from a Mexican-Jewish cultural festival. Meanwhile, Dr. Doofenshmirtz tries to rid the world of mimes by trapping them in actual invisible boxes.
Jeremy is unsure of his own dancing skills when he agrees to partner with Candace on the popular television show Let's All Dance Until We're Sick, so the boys develop an exoskeleton allowing Jeremy's movements to be controlled by Ferb. Meanwhile, Dr. Doofenshmirtz and his organization of other mad scientists try to get an evil message broadcast on the show.
When one of Doofenshmirtz's inventions lands in their front yard, Phineas and Ferb try to figure out what it does. Meanwhile, Dr. Doofenshmirtz and Perry get trapped on board Doof's Floating Platform as it goes out of control with no one steering.
On a trip to the beach, Phineas and Ferb discover the lost city of Atlantis, Candace enters a sand castle building contest judged by Jeremy and Dr. Doofenshmirtz tries to use a growth formula to turn plants evil.
After Phineas, Ferb and their friends help decorate the city to celebrate the arrival of Santa Claus, Dr. Doofenshmirtz, after finally finding a reason to hate Christmas, uses his Naughty-inator to try to ruin the holiday for everyone. As a result, the boys and their friends try to help save Christmas for Danville.
When Phineas and Ferb create an orb that allows its user to pass through objects to help find Linda's lucky guitar pick, Candace attempts to bust her brothers with it. Meanwhile, Dr. Doofenshmirtz tries to destroy a statue honoring his brother Roger.
When Phineas and Ferb offer to host Aunt Tiana and Uncle Bob's wedding in the Flynn-Fletcher's backyard, Candace tries to prevent the boys from messing up the wedding and stealing attention away from her role as maid of honor. Meanwhile, Dr. Doofenshmirtz builds a device to turn all healthy foods in the city into junk food, believing that overweight people would be easier to enslave.
Lawrence's memory is accidentally erased by a gadget in Perry's lair before participating in a father-daughter race with Candace, so Perry operates a robot version of Lawrence to fill in for him. Meanwhile, Dr. Doofenshmirtz invents "Eulg," an opposite of glue, which breaks stuff apart rather than joining it together.
When Candace offers to babysit Suzy, Suzy tries to teach Candace how to get anything you want. Meanwhile, Phineas Ferb, and friends try to build a giant waterfall and ride a barrel over it.
Meanwhile, Dr. Doofenshmirtz builds a giant foot out of carbon paper believing that it'll increase his carbon footprint.
When the boys build an Anti-Gravity Fun Launcher, Carl accidentally discovers their plans on the internet and presumes they are working for Dr. Doofenshmirtz, so he is sent undercover to figure out what they are doing. Meanwhile, Doofenshmirtz intercepts the plans himself and attempts to find a use for it, and Perry is sent on a literal wild goose chase to retrieve a missing agent since he is too close to the boys to spy on them.
Phineas and Ferb decide to help build floats for all the neighborhood kids in the yearly "Tri-State Area Unification Day" parade, but a family grudge leads Buford to try to wreak havoc on the parade. Candace promises her mom to not care about Phineas and Ferb's activities during a mother-daughter day, but finds it difficult due to the boys' antics taking place all around her. Meanwhile, Dr. Doofenshmirtz tries to create traffic jams with a duplication device.
After watching a sci-fi movie marathon, Candace becomes convinced that Ferb is an alien. Meanwhile, Dr. Doofenshmirtz plans to auction off an old invention, the Wrapped-Up-In-A-Nice-Little-Bow-Inator (which compresses objects into small wrapped boxes) by marketing it as a cleaning device.
When the boys trick out the kiddie rides at a store, Candace steps into the rocket ride and is sent shooting across Danville and the gang goes out on a rescue mission to save her. Meanwhile, Dr. Doofenshmirtz tries to burn his name into the atmosphere to maintain his legacy.
Irving's brother Albert doesn't believe that Phineas and Ferb are anything special, and since he claims to be the "Truth Detector," he can prove it. Desperate to prove Albert wrong, Irving convinces Baljeet and Buford to pose as Phineas and Ferb beside a giant hologram of the boys' Eiffel Tower construction, while the real Phineas and Ferb go with their father to the movies. Meanwhile, Dr. Doofenshmirtz is fed up with the quality of accessories for his model train set and decides to shrink down a variety of national monuments to add to his collection.
Candace, Stacy and Jenny team up to try to bust Phineas and Ferb together, while Phineas and Ferb build giant mechanical spinning tops. Meanwhile, Dr. Doofenshmirtz enlists a new robot to replace Norm, but a power surge from Phineas and Ferb's power source causes it to glitch and turn against him.
Phineas and Ferb discover a chameleon that they decide to keep as a pet, but when it grows to a gigantic size due to the effects of one of Doofenshmirtz's inventions, Phineas, Ferb and Isabella try to get him back, although his camouflage makes him hard to spot. Meanwhile, Doofenshmirtz learns to play guitar from Jeremy so he can use a song to summon an alien army with his Every-Directional-Amplifinator Gigantinator.
Phineas and Ferb hold a rodeo in the backyard with robotic bulls so Isabella's Fireside Girls can get a Rodeo Clown Patch while Candace tries to keep focused to go to the concert with Stacy.
Meanwhile, Dr. Doofenshmirtz competes against members of L.O.V.E.M.U.F.F.I.N. and others in an Inator Creator competition.
When Phineas and Ferb build a super suit, they decide to become a superhero called "The Beak" to defeat a new villain named Khaka Peü Peü. But when Phineas keeps leaving to be The Beak, drama starts between him and Isabella. Meanwhile, Dr. Doofenshmirtz is temporarily given the mayoral post by his brother Roger to prevent Roger from being blamed for Khaka Peü Peü's presence.
Candace is awarded the opportunity to be mayor for the day, so she abuses her newfound power to create laws that can bust her brothers. Back at home, Phineas and Ferb build an authentic log cabin and pioneer village without modern tools. Meanwhile, Dr. Doofenshmirtz is scheduled to play golf with his brother Roger but isn't happy about it.
Phineas and Ferb build the ultimate lemonade stand and begin to offer franchise opportunities. Meanwhile, Candace and Stacy's relationship is put to the test when Candace feels she must pick between their friendship and busting her brothers, while Dr. Doofenshmirtz creates a "Paper-Cut-Inator" so that he can make millions selling Band-Aids.
In a half-hour episode split into two parts, the Flynn-Fletcher Family go on a vacation to Hawaii. In the first part, Phineas and Ferb make living sea creatures, and Doofenshmirtz creates a De-Evolution-inator. In the second part, Phineas and Ferb help Candace get rid of a lava necklace of bad luck, and Perry and Doofenshmirtz get stranded on an island.
It's the summer solstice, so Phineas, Ferb, and their friends decide to travel around the world in one day in an effort to create the "biggest, longest, funnest summer day of all time". But not everyone believes they can actually achieve what they have set out to do, especially Buford. Candace tags along because Jeremy is on a trip to Paris, and she fears that there he may meet other girls. Also, Isabella finds her affections for Phineas sorely tested when his steadfast focus on achieving his goal puts pressure on her. Meanwhile, Dr. Doofenshmirtz takes a father trip to Tokyo, Japan with Vanessa, but sets out with Perry and Major Monogram to find her when she joins Phineas, Ferb and the others.
Phineas and Ferb head to the Tri-State area's annual sci-fi/fantasy convention to meet their hero, special effects guru Clive Addison. Their plan gets sidetracked when they're swept into a duel between Buford and Baljeet, and their respective clubs of fantasy fans and sci-fi geeks. Meanwhile, Candace tries to keep secret that she's a fan of Ducky Mo-Mo (which is a children's show with an adult fan base, somewhat like the bronies of the My Little Pony fandom), another convention staple. Across the convention hall, Dr. Doofenshmirtz has taken television executive Jeff McGarland hostage so he can pitch him a show he's developed, Doof 'n' Puss.
Mom says that Phineas and Ferb have to clean the house and she asks Candace to help, but she refuses and instead reads the book Mom gave her: The Wizard of Oz. Phineas and Ferb spin the house and spray it with a hose, but they spin the house too fast and accidentally knock
Candace out, sending her into a Wizard of Oz-esque dream world. She journeys to "Bustopolis" under the impression the world is a simulation created by her brothers, but soon discovers that evil forces are attempting to get the boots that have grown on her feet.
Phineas and Ferb build a maze to help Isabella and a junior Fireside Girl, named Melissa. Meanwhile, Dr. Doofenshmirtz try to tilt all buildings on the tri-state area as the leaning tower of Pisa.
When Candace discovers that her mother is Lindana, Linda is invited to participate in a reunion concert of the 80s. Lawrence feels depressed because his wife is going to forget him because she will meet exciting and fun people, so Phineas and Ferb decide to turn him into "Max Modem", an unknown singer from the 80s. Meanwhile, Dr. Doofenshmirtz wants Danville to believe that he's the king and leader of a group of aliens.
Phineas and Ferb build an advanced all-terrain vehicle, while Baljeet, Stacy and Candace go to a convention so Candace can improve her "busting tactics". Meanwhile, Dr. Doofenshmirtz tries to host a Telethon of Evil.
Phineas and Ferb build the tallest building ever to increase Danville's popularity while Candace enlists Irving's brother, Albert's help in busting them. Elsewhere, Doofenshmirtz attempts to rotate the moon to its dark side so he can become the most evil man in the world.
Phineas and Ferb create a machine that splits an object into its components, but their cover is blown with Candace and her double. Doofenshmirtz tries to jump off the high diving board, which was an important ritual of manhood in his hometown, that he failed. He is nervous and creates a Look away-inator, so that nobody will stare at him.
Phineas, Ferb, Isabella and Baljeet are in bed because they're sick and they, along with Buford, who is just lazy, play video games that let them compete against another friend. Doofenshmirtz creates a helmet that can control everyone who wields it. Meanwhile, Vanessa tries to enjoy her time at a Junkyard Party, despite knowing Doofenshmirtz will make her mortified.
Phineas and Ferb relive the day they built a rollercoaster as a musical. Doofenshmirtz once again tries to reverse the rotation of the Earth.
Candace switches places with a princess who looks just like her, but the ongoing antics of Phineas and Ferb prevent her from enjoying the royal luxuries, even for a day. Meanwhile, Phineas and Ferb enlist the princess to help them build a giant jukebox filled with live bands, and Dr. Doofenshmirtz plans on using his Claw-inator to ruin his brother's dedication of the Danville Opera House.
When Linda and Lawrence go on a trip, Candace decides to have an Intimate Get Together with Stacy and Jenny. However, more people come without permission and make it into a party.
Meanwhile, Doofenshmirtz tries to get rid of the condos, which block his view of the free drive-in theater nearby.
Season 3 (Before Phineas and Ferb the Movie: Across the 2nd Dimension)
Bad weather spoils Isabella's plan for the Fireside Girls to earn an achievement patch, so Phineas and Ferb build a huge bio-dome to help her and her troop. Meanwhile, Candace works herself into a frenzy as she decides that she needs to find out what Jeremy likes about her. Over at Evil Inc., Dr. Doofenshmirtz is trying to rain out a big soccer game, just so he can watch his favorite Spanish soap opera.
Candace realizes that she needs to spend more time with Stacy, so she vows to spend the whole day with her only. But while visiting Jeremy and his mom, Mrs. Johnson, Dr. Doofenshmirtz's "Combine-inator" zaps her and Jeremy, literally joining them at the hip. Meanwhile, Phineas and Ferb build a giant robot dog that causes a lot of mischief.
Phineas and Ferb's newest invention is a pair of boots which makes the wearer extraordinarily fast. Candace decides to wear them so that she can be in two places at once; at Jeremy's family picnic, where she runs into Mrs. Johnson, and also at the library where she promised Mom she would read to the kids, but things go haywire when she accidentally uses unstable prototypes of the super-speed boots. Meanwhile, Dr. Doofenshmirtz's building is put up for sale so he tries to convince a prospective buyer, Annabelle, who turns out to be a long lost relative of the Johnson family, that it is not worth buying.
While visiting their grandparents, the kids decide to create and race a giant hot air balloon. Meanwhile, Candace is inspired by train engineer Glenda's can-do attitude and decides to "give up" on busting her brothers. Elsewhere, Dr. Doofenshmirtz finds a dodo bird egg and is convinced that it is a fierce bird-monster that can help him take over the Tri-State Area, but discovers the exact opposite when the egg hatches.
It's Phineas's birthday and for the special occasion, Ferb puts together a clip show of the gang's favorite moments. Candace sees this as an opportunity to bust her brothers. Meanwhile, Agent P has to stop Dr. Doofenshmirtz from using his "non-inator" to pre-empt his brother's biography from appearing on television
For Harbor Days Festival, Phineas and Ferb celebrate by creating a mechanical version of the historical elusive shark of Danville Harbor. Seeing what the boys are up to, Candace enlists some help to capture the mysterious shark. Meanwhile, Dr. Doofenshmirtz invents the "Salt Water Taffy-inator" to give cavities to every kid in the Tri-State Area.
Inspired by the lost verse from the nursery rhyme, "The Cat And The Fiddle", the boys decide to take some cows to the moon to see if its low gravitational pull actually does produce the best tasting ice cream ever. Back at home, Candace decides to take advantage of the boys being gone and attempts to make a fancy dinner for Jeremy, but her lack of cooking skills don't add
anything to the plate. Meanwhile, Dr. Doofenshmirtz attempts to use his "Moisture Suck-inator" to turn his neighbor's plants brown, so that his plants will be greener by comparison.
When Candace discovers that Phineas and Ferb have invented a computer that can answer anything, she asks it how she can finally bust her brothers once and for all. Meanwhile, Dr. Doofenshmirtz loses the key to his latest invention, the "All Purpose-inator", and Agent P must defeat him before he find it.
Perry misses his 100th battle against Dr. Doofenshmirtz when Candace takes him to the Charity Pet Wash with her. Perry's absence goes unnoticed when the zookeeper's typical platypus at the Danville Zoo stops Dr. Doofenshmirtz's plan to zap his brother with his "Least-Likely-inator". Meanwhile, the boys build a fun house Phineas and Ferb style.
Candace has no choice but to go to her brothers for help after she loses her phone for the fifth time. Unbeknownst to her, the phone that they invent for her has a voice activated phone transfer app that sends her to Easter Island. Meanwhile, back at Evil Inc., Dr. Doofenshmirtz invents a "Pick 'Em Up-inator" to pick Vanessa up from class, then he finds Sarcastic Norm Head, the Norm head prototype that has an affinity for sarcasm, later Doofenshmirtz and Perry watch an exercise show.
Inspired by Dad's favorite childhood program, the boys decide to create a magic carpet, and Candace is convinced that fortune cookies will lead her to bust her brothers. Meanwhile, Dr. Doofenshmirtz plans on ruining his brother's art unveiling by using his "Stain-inator" to ruin a mysterious painting, but as it turns out, the painting is Dr. Doofenshmirtz's very own masterpiece that he created when he was a youth back in Gimmelshtump.
Candace in the midst of a bad hair day because of a bad haircut she gives herself and must rely on Phineas and Ferb's hair growing machine to correct it before she attends the Endangered Animal Benefit with Jeremy and his mother. However, when Candace turns up the power, her hair grows much more than expected and she is mistaken for a rare tangerine orangutan. Meanwhile, Dr. Doofenshmirtz is developing his "Very, Very Bad-inator".
Linda joins Jamie Oliver as one of the judges for Danville's Meatloaf Festival Cook-off, as he stresses healthy eating and fresh ingredients. Meanwhile, Candace puts a bid on a prized souvenir resembling band members Nigel and Adrian from her favorite band, Tiny Cowboy, at the Rock and Roll Memorabilia Auction, but gets distracted when her brothers build a bounce house in their backyard. On the other side of town, Dr. Doofenshmirtz has plans to enter his family meatloaf recipe into the competition using "hate" as the special ingredient.
When Mom tells Candace she wants to spend the day with her, Candace spends the entire time with her in the backyard so that she can bust her brothers. Unfortunately, Phineas and Ferb's grand plan for the day only entail watching the grass grow after getting zapped by Dr. Doofenshmirtz's Dull-and-Boring-inator earlier that day. Meanwhile, Agent P partners up with Dr. Doofenshmirtz to fix the now destroyed Dull-and-Boring-inator into a Dynamic-inator in order to fix Phineas and Ferb.
When Heinz thinks Vanessa overhears him say he would rather have a son to do his evil bidding, he feels terrible so he intends to zap her with the "Forget-about-it-Inator". Meanwhile, Norm shares his feelings of wanting to be a real boy with Doofenshmirtz and decides to play up the "son" role. Back at the Flynn-Fletcher household, Candace has Stacy hypnotize her into ignoring the need to bust her brothers so that she can spend the entire afternoon relaxing with Jeremy, but unfortunately the hypnosis trigger words end up playing right into her date with Jeremy.
After Candace injures her ankle and is told to stay in bed, she drives herself crazy trying to get her Mom's attention in order to bust her brothers. Fortunately, Phineas and Ferb provide her with a box of items to stave off her boredom. However, it ends up being more of a hindrance, until she unknowingly helps the boys warn their cosmonaut friend about a dangerous obstacle approaching them. Meanwhile, Perry interrupts Dr. Doofenshmirtz's chicken soup-themed escapade.
On the last day of the Flynn-Fletcher family road trip, Candace thinks she'll finally have a couple of hours to relax and not worry about busting her brothers. However, Phineas and Ferb decide to build a truck stop diner on top of the RV. Meanwhile, Doofenshmirtz is also doing a road trip, but he's using a big rig to transport his boom juice across the Tri-State Area.