Phineas Stories

It was a normal day in Danville. Suddenly, the Flynn-Fletchers and their friends were invited to join the screening of a TV series, that had been secretly in the works...

Phineas and Isabella haven't seen each other since highschool. What happens when she ends up stuck at his apartment with him during a hurricane? Disclaimer I don't own p...

There's only a 104 days of Summer Vacation. That means 104 chances to have the best Summer ever. For Y/n Flynn and his two brothers and Y/n's girlfriend Bronya Zaychick...

[BOOK ONE] Something old and powerful lives in the woods surrounding the small town of Briarwood. Something that is bound to eighteen-year-old Kali Briar by both fate an...

*COMPLETE* "I want to be someone to you." Isabella has only ever wanted one thing since she was a little girl. Her best friend, Phineas Flynn. But when he's up...

School year was over and a new summer is here. Phineas and Ferb can't wait to make the best of it. But the appearance of some DVD's has put their plans on hold. What old...

Isabella Garcia-Shapiro has had a huge crush on her best friend, Phineas Flynn, ever since they were little, but he has been too oblivious to notice. Isabella was beginn...

*COMPLETE* Perry thought it was just gonna be another normal day. Sneak away from his family and beat up an evil scientist. Get in and get out. That is, until one of Dr...

this is just a book of phinabella •Mostly cute stuff •May include some dark stuff but there will be warnings •Phinabella with other ships •Most of them quite long! •I...

Perry The Platypus was accidentally zapped by Doofenshmirtz's Reverse-Inator and turned Perry the Platypus into a human. Until Perry met (Y/N) that will help her find th...

Taking place after the events of Phineas and Ferb: Across the 2nd Dimension, this story shows Phineas Flynn trying to figure out why he remembers a single clip from a ti...

Phineas and Isabella get into an uncharacteristic fight. And even though they both regret it, neither of them will admit they were wrong. And that guilt hardens to hate...

*COMPLETE* Ferb accidentally mixes up the blueprints again for Doofenshmirtz's new inator which shoots Phineas and Isabella who switch bodies. ...just in time for high s...

Teen Au - Teen Ferb x Female Reader * Updated * - Ten Episodes every other month [This will nextly be updated in January] 🧰🧰🧰 "I know what we're gonna do today...

"That's the L/N's Law for ya" "L/N's law?" "Basically everything that can go right will go right" "She's your opposite dude!"...

Phineas and Isabella are entering their 8th grade year, and Isabella is still head over heels in love with Phineas. Everything goes wrong when an invention goes rogue an...

Your whole life you had been stuck in a never ending loop of doubt. Heck, you had never even gone to school before! All that changed though, when you moved to Danville...

This story is the extended version of "Happy Birthday, Isabella" from Phineas and Ferb. What will happen to them? Will they become a couple? Find out in Happy...

It had been ten years, ten and a half years to be exact. It had been ten years since I last saw him. It had been ten painful years. Now, I have a daughter, and she's nin...

Phineas discovers Isabella's feelings for him, but by then it's too late: She doesn't have them anymore. What happens next, you ask.... Well, a Fireside Girl named Lia...