Phineas and the gang go to Mobius to visit Sonic, only to discover that since the year they've seen them everything's changed. The heroes have been driven back, Eggman has powerful allies, and Sonic is missing! Phineas must team up with the surviving Sonic Heroes to defeat Eggman before his new plan goes out of control! Rated for violence and slight language.

Dr. Doofenshmirtz Turns Binky Barnes Evil!

Phineas and Ferb and the gang start a ghost-catching business. But, once a ghost king who's set on wiping out all life on earth is awakened, it's up to the Ghostbusters to stop him! Rated because I'm paranoid.

Ferb is in college and finds himself in a run down playground beating himself up for something that isn't his fault. Who steps in to save the day but Mabel? One Shot, rated T for a character death. Ferbel (there needs to be much more of that on here)

America and England meet Phineas and Ferb. The Nations help the boys with their project.

Phineas and his friends attempted to try a pub crawl of the local pubs in the Tri State Area, unfortunately for them it doesn't go according to plan. But when they're all older what will happen when Phineas wants to try again?

What if Phineas was killed during his battle with Sith Ferb? Join me, animaldoctor, as we take a journey on another fan-suggested alternate ending, Phineas and Ferb Star Wars.

The Flynn-Fletchers and friends leave Danville for a trip to Gravity Falls. Unbeknownst to them, Doofenshmirtz is there too, with plans of his own. WILL UPDATE SOON AS OF 4/28/15!

Ferb is at the fair, feeling downhearted, and throws away his Log book. A group of curious demi-gods find it and decide he must be a child of the gods. Annabeth and Leo go after Ferb only to find him looking a little lost and alone. Bonding! T for mentions of suicide. One-Shot. After BoO, but not really any spoilers.

Laney he Isabella se dan cuanta de que tienen el mismo problema enamorarse de alguien super distraido pero un loco lana que talvez funcione hara que todo cambie muchos celos de parte de un cabeza de nacho y un peli azul lo se mal summary pero es lo que hay ahora cliqueen y lean el fic

Un ser extraño viaja por varios mundos alimentándose de la fuerza vital de los personajes que el considera "protagonistas", ante la amenaza, un grupo de estos personajes buscara la manera de detener a este monstruo insaciable. A pesar de ser de mundos diferentes este grupo deberá arreglárselas para salvarse a si mismos de un final seguro.

While exploring the city of Florence, Phineas and Ferb decided to help their friend, Leonardo Da Vinci, with his masterpiece. Meanwhile, the boys' pet platypus, Perry, is secretly an Assassin who must stop the evil Templar, Doofenshmirtz, from taking over the Tri-Region Area.

A mysterious book appears in Phineas's backpack, a group of mysterious people fall on top of Dipper in the woods, A dream demon makes a mysterious appearance in Isabella's dreams. How are all these events connected? Rated T for Violence.

"Danville?" Stewie asked. "Who the fuck calls a city Danville?" Phineas covered his ears in shock, hearing the curse word. "No..." - Stewie and Brian end up in Danville after taking the wrong flight. With no money and no connection whatsoever to anything and anyone in Quahog, Stewie and Brian must find a way back home! Maybe with the help of our two favourite inventors?

This Phineas and Ferb/Kim Possible crossover involves Bonnie and Candace teaming up as they try to bust Phineas and Ferb for a 15-story tall sandcastle. It takes place between Seasons 2 and 3 of KP and Season 2 of PnF (prior to Summer Belongs to You). Suitable for General audiences. It is not a part of the "A New Redheaded Cheerleader" series.

Cuddles, and Giggles, are accidently sent to Danville. How will they get home? Cuddles and Giggles are not dating but have a crush on each other. I do not own Happy Tree Friends or Phineas and Ferb.

Wakko and Dot Warner are kidnapped by Doofenshmirtz and it's up to Yakko and his new friends to save them.

Dr. Doofenshmirtz summons a very strange minion.

Phineas and Ferb return to Hogwarts in this sequel to Hogwarts? How Serendipitous! After rescuing a few friends, and learning a few legends, they have to use their magic and wits to defeat the Heir of Slytherin. Meanwhile, Perry and Doctor Doofenshmirtz are at it again. Can they join forces to defeat the evil diary - er ... journal? Find out here!

There are some places that you just don't go, some lines you just don't cross, and some people that you are really better off avoiding

About Phineas, Ferb, Isabella, Baljeet, Buford Chloe, Joy, and many others, going beyond the dimensions that would make the most sense!

After both of their misfortunes at the hands of the necromorphs, neither Linda nor Phineas can get a break. They both wake up aboard a massive space station known as the Sprawl, and must work with Ellie Langford and Isaac Clarke to escape the leader of the Sprawl, Hans Tiedmann.

The Tri-State Area's most evil scientist has a dark secret, one that Perry unfortunately finds out about... Oneshot.

During show-and-tell at Maze High School, Sir Cumference makes a guest appearance, show off his new inter-dimensional portal, which accidentally bring Phineas and Ferb, and their friends while they were planning on ghost hunting, into Pac-World. But unfortunately, Betrayus sees everything with a hidden slug-cam and decides to invade Earth.

Taking place after "The terror from beyond space" and before "this time it's war", our character's parents are investigating the disappearances of their kids. Soon, Major Monogram steps in, and informs them of the Ishimura, and offers to take them there. Nothing could prepare the group for the horrors that wait aboard the ship.