Ferb has a secret. On the surface he's a brilliant, yet silent inventor who creates breathtaking inventions with his brother. Behind the scenes, he makes sure that they never fall into the wrong hands with the help of a certain animal agency. However this double life is tested when a rival agent begins to challenge him, one with their own mysterious agenda.

Es el día de las madres en Danville, todos se encuentran celebrando felices en familia… todos excepto un pequeño inglés, que está cansado de no saber la verdad.

"Would you marry me if we were the last two people on Earth?"

What if Isabella didn't exist as a person, but as an imaginary friend from Phineas' past? How would The Gang be affected? After years, Isabella returns and this time, Phineas is determined to never let her go. As the summer progresses and Isabella's existence becomes more and more dubious, Phineas embarks on a quest to make his dream girl reality (Reboot in progress)

A lapse in judgement changes the lives of two families. An injured merman washes up on the shores of Danville and is rescued by Linda Flynn. Phineas Flynn encounters a merboy who shouldn't be alone. Language barriers bring challenges, but everyone comes together nonetheless.

Naturally, Isabella had her doubts.

Having one false call too many, Linda sits down with Candace and sets the record straight once and for all about her busting Phineas and Ferb. Meanwhile, O.W.C.A. is facing a crisis. Will Phineas and Ferb once again be dragged into Perry's mission. Only one way to find out. Rated M for Violence and Future Lemons

Bonus scenes and short stories set in the timelines of "Under Absolute Despotism" and "A Gulf of Civil Horror," presented for your enjoyment and to fill in some background details.

AU. The Turnpike Tavern is like home to Ferb. It's the perfect place for smoking, drinking, and everything else the young Brit enjoys. His life may seem like a long downward spiral, but he's content. At least he says he is. Phineas is living the high school dream. He's at the top of his class, has the perfect girlfriend, and plenty of popularity. He says he's happy. He's lying. PxF

Bufavulous struggles to put his feelings for Baljeetolas into words, so instead he does it the way he knows best: with his actions. — Excaliferb!AU BuJeet. One Shot.

There are other people that live in Doofenschmirtz's building. His new downstairs neighbor just moved in, and is very confused, as seen in her emails to a friend. What is up with the construction noises upstairs? Why is the pharmacist always yelling? Why is the teenage girl always muttering about evil? And could somebody please explain the hang-gliding platypus?

This is my Phineas and Ferb version of my favorite scene from SpongeBob SquarePants – Episode "I Heart Dancing".

Summary: After the death of her fiancée and the disappearance of her only daughter, Isabella's life rapidly fell apart, and a series of bad decisions led to her being hunted by a group of criminals. Knowing that the gunshot was fatal, she decided to have the last laugh by drowning herself in the Danville river. Little did she know that life still had plans for her.

Summer is over and school has begun. Perry has been given a new assignment - and a host of new adversaries emerge. Group of connected oneshots detailing the first meeting of each new foe.

Comment your story ideas of what you would like to read! Credit will go to those who comment. Winners are those who get their stories written! Each chapter will be a new story! (I don't own the characters from Phineas & Ferb)

This is a cute drabble I thought up. In the last few days before her and Phineas' wedding, Isabella remembers something she wants to ask Ferb about.

Most of the sneaking around was over. Most of it. Alas, there are still some sides to his double-Life that Perry would rather spare the Flynn-Fletcher's from. Part of When Glass Shatters.

Now grown up, the Flynns and the Fletchers have a family weekend together and Isabella asks Ferb about something she remembers from their past. Some Phinbella and some Ferbnessa.

When Perry refuses to give Candace his spy equipment to bust her brothers, she angrily states it's because he never liked her as much as Phineas and Ferb. Perry is determined to set her straight.

"In the center of the room, tied to a chair with a concerning number of ropes that Peter was diligently working to untie, was Rodney's son Orville." Heinz, along with a few other scientists, is recruited to help break up one of Rodney's truly awful schemes. He somehow ends up adopting another teenager in the process. One Shot.

When Ferb gains some... additions to his body in the middle of their first project of their summer, he ends up requiring the help of a woman he hasn't seen since he was a baby. And that's not the only change going on in the Flynn-Fletcher household. Five years later, when Ferb returns to Danville, he finds the city and the people a little different, but there are some similarities.

Le Docteur Heinz Doofenshmirtz est confronté à de petits tracas quotidiens... ses solutions sont radicales : éradiquer la source du problème et pourquoi pas l'univers au passage. L'agent P doit déjouer ses plans. [DRABBLES]

Phineas and Ferb are going on their vacation trip to Disneyland with their family and friends. They ride many attractions, watching entertainment, and meet & greet with their favorite characters including Mickey Mouse and Friends. This took way place before their "Last Day of Summer".

The Brother-Sister Summer Games comes to Danville Park to raise money for the local hospital. One of the rules of registration is that the sign ups must be one brother-one sister. Candace has two brothers. The solution? Bring in another sister.

Candace is still trying to wrap her head around the idea that her pet platypus is smarter than he looks. Never mind the fact that he, apparently, enjoys watching terrible television. And, doubly, that he managed to drag Stacy down with him. Post Reveal Fic, part of When Glass Shatters. The Flynn Fletchers know that Perry is a Secret Agent AU