Phineasflynn Stories

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...

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...

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...

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...

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...

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...

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...

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...

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

"I love you with all my butt. I would say heart, but my butt's bigger" -unknown

When sixteen year old Vanessa Doofenshmirtz takes a job babysitting her friend Candace's younger brothers Phineas and Ferb, she has no idea of the adventure that she's g...

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...

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...

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.

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.. 😅

This is a Phinabella story told in Isabella's point of view. Phineas and Isabella have four children, from oldest to youngest, Marie, Jacob, Zachary, and Ashley. There a...

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.

One-Shots and crossovers await in this multi-chapter, multi-functional, all purpose book for curing the impossible. Join Phineas and Ferb as they accomplish what shouldn...

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...