Phineas realizes he likes Isabella after she leaves him be and passes on.

Collab of me and Seraphina Greene. Medieval AU. Buford is a knight for Queen Isabella. Baljeet is a prince, first in line for the throne. When Buford is captured, and the nobleman Phineas comes to save him, will the assassin-for-hire Ferb bring up old wounds? BuJeet, FerbIneas, DoofPerry, MonoCarl, VandAnce, so on and so forth, blah, blah, blah, parings and smut galore.

Phineas and Isabella create a scheme in which they sneak out at night to see each other; they are in a relationship when they do this. Does the scheme work in the end? Will memories be formed, and love found?

Phineas steals to be cool and has to fake his own death while an upset Isabella hits on Phineas' new personality. DUN DUN DUUUUNNNN

Two five year olds and a little push.

So based on a RP i did on Twitter i wrote that little fanfic. I'm pretty sure the title is intriguing but, you'll have to read it to know what happened on and after Summerween

At his 16th Birthday party, Phineas gets a special present from someone, which makes Isabella upset. So, Ferb helps. Ferbella Fluff! Ferb is 17, Phineas is 16, Isabella is 15 or 16.

Co-authored with Robot Wolf 26Z. The Fireside Girls are working on their last few patches. Phineas and Ferb have always been there to help in the past. Everyone starts to ask each other the same question; "Have you ever had a crush on someone?" Some answers might be a little surprising.

Companion piece to my Secret Life of Candace series. Takes place in the winter. Candace goes outside to build a snowman, but things get a LOT more complicated than she had anticipated. One-Shot. BTW, this is my 25th story! YAY! Happy dance!

Phineas and Ferb have always been brothers and best friends. But one moment is about to change all that. In ways neither one could have imagined. Phinerb romance. one-shot

When Doofenshmirtz finally takes over the Tri-State Area, Phineas, Ferb, Isabella, Buford and Baljeet must face the Canadian Rockies to bring Perry and Pinky back home! ...Trust me, it'll all make sense in the end. Contains Phinabella, BufordxBrigitte and PerryxOC Please R&R!

Isabella's recovering from appendicitis, so Phineas and Ferb make her a bracelet that can teleport things to her - whatever she wishes. What could possibly go wrong? A Phinbella standalone teenage two-shot.

A free-floating stream of cutonium. A collision. And Isabella. Can you imagine anything MORE adorable? A fun, romantic story where the gang tries to resist the extreme pull of Isabella's new cuteness, and fix it. But Phineas seems to have a harder time resisting than the others... Contains Phinbella cuz I'm me, and MAYBE some Ferb/OC later on. Just read it, you might like it...

Ini adalah kisah dari penemuan hal yang akan mengubah hidup mereka. Konten: Phinbella. Ini fanfic Phinbella Bahasa Indonesia pertama di situs ini. Rated T untuk kalimat ilmiah.

Same teleporter differand people phineases daughter and ferbs son go through the teleporter will they have the same fate and their aunt and beloved platypus? Read to find out. Disclamer: I dont own Phineas and Ferb or Thomas and Marie im not sure who dose

Phineas POV Siempre ha estado alli, ELLA... ...mi AMIGA, mi NOVIA, mi MUJER, ISABELLA. Song-fic incluido.

Just my Phinbella one-shot requests. Sweet, fluffy, and adorable, and in no way connected unless specified. A few mish-mashed bits of fluff and happiness to make your day a little bit brighter, and maybe put a smile on your face if you're feeling down. Just click this, please. It's not bad if you look between it's lines. Disclaimer: I don't own PnF

Isabela is in for the surprise of her life, and all because of one pill.

Hay pocos que creen y conocen esta historia, que la vivieron. Solamente un ser podía destruir el mal en el mundo, un alma pura, capaz de todo por proteger a los que ama con coraje y pasión. Una misión asignada a un ser puro, que dará su vida por salvar el mundo, y entregado por el ser que ama. Perry el ornitorrinco tiene que cumplir esta tarea.

A man in the shadows revels in how close he is to global domination. One-shot, with a twist ending.

After a sequence of events (and an explanation), Phineas believes that he might be in love with Isabella, the only problem being he isn't sure if he is or not, the second only problem is he doesn't know if she likes him back. So to solve this Phineas suggests that the two of them start dating to find out if they should be together. Will Isabella finally get what she has desired?

Sixletlover11 made her parody theme song; now it's my turn! XD READ OR BE DESTROYED! Nah, just kidding. Read if you want to. :3

Phineas was eleven years old when he was killed. He and his killer switch between narrations. His killer thought that Linda hit her child with a car when they were younger she seeks rev.The story of love/Life/Happiness/ and forgiveness. Death scene is up

What will happen when a BULLY comes into the scene for Isabella. Phineas getting in fights? Where will the Phinbella Relationship go? Will Someone sabotage Phineas and Isabella? READ TO FIND OUT! Rated T for language in later chapters!

Es navidad y una tragedia esta a punto de ocurrir, por ello Perry tendra que evitarlo a pesar de que es un alto precio