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...

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...

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...

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...

Isabella has lived across the way from the Flynn-Fletcher boys for years. She knows them better than anyone, maybe even better than she knows herself. She also has ca...

"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!"...

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...

*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...

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...

Isabella and Phineas are best friends but Isabella started to like him more than that. She dropped hints but Phineas never noticed. He was just to oblivious to notice. ...

When Dr. Doofenshmirtz's newest inator blasts directly into the Flynn-fletcher's back yard life and love will change forever for Phineas, Ferb, and Isabella.

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...

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...

Callan is the adopted brother of phineas and ferb he and his brothers always make the coolest Inventions what kind of adventures wait for Callan and what kind of new Inv...

*COMPLETE* This is what happened after the "Canderemy" episode. Except Phineas and Ferb never got stuck together. Instead, it's Phineas and Isabella's hands th...

After getting his Master's Degree after only two years of college, Phineas Flynn left early, married Isabella, and started his very own business. Life goes on to be grea...

Join Phineas, Ferb their sister Cndace and their big brother Jack on a summer you will never forget. Jack Flynn is the oldest son on the Flynn-Fletcher family who wants...