Phineasflynn Stories

There's 104 Days of Summer Vacation, 104 Days of Pure Fun!

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 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...

The Fireside Girls are prepared for any situation, or so they think. When a new member of Troop 46321 moves to Danville, they pick up on a few signals of affection towar...

After a brief mention of their biological father, Phineas and Candace grow curious and decide to do some research, while Ferb wants nothing to do with it for unknown rea...

10 years into the future, a teenaged Phineas must decide between two colleges while grappling with the discovery that Isabella has had a crush on him since they were kid...

After a heated argument with his sister, Phineas runs away from home. Can Ferb find him before he gets into big trouble? Read to find out.

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...

When you move from your familiar home to suburban Danville, you didn't expect your summer to be much different or more exciting than it usually is. But over 104 days of...

During the events of NSL, the Louds decide to get rid of Lincoln as he " bad luck", Lisa tells them that she created a interdimensional device that creates p...

A simple tale of love and appreciation. I will update when I can as I continue to live my day-to-day... Credit to sunsh1ne1023 for the title name! Disclaimer: I, of cour...

Here's some one(and two) shots I make over my lunch break! Mostly Phinabella and Ferbma! These have your classic episode rewrites, new ideas, oneshots based off of songs...

When a new friend moves into the neighborhood, Isabella befriends her and they become really close. Isabella is trying to get over Phineas, while Phineas is in a state o...

Liv Fletcher is Ferb's little sister and Phineas and Candace's little stepsister. After the divorce with her biological mother, she gave Liv to Lawrence.

When Doofenshmirtz' Teleport-Inator hit Ferb and teleported him to Phineas and Isabella's picnic. But this time, Perry the Platypus destroys the Teleport-Inator before i...

After a hazardous experience involving pharmacists of all things, Phineas and Isabella have a heart to heart. (Alter ending to "Night of the Living Pharmacists"...

Disclaimer: I don't own the characters in this story, disney does. And this is my first fanfiction, sorry if its bad.. 😅

Back at it again with more Phineas and Ferb one-shots, with (hopefully) less cringe. Some might be more mature than others, I'll put a warning beforehand. There also mig...

Phineas and Buford will fight over Isabella. May the best guy win her heart. May the worst guy live with out her in thier love life . But hopefully Ferb puts a stop t...

17 year-old Perry Fletcher struggles with balance between his family and his secret agent job that they still don't know about during a hectic summer, but little does he...