3Schnitzel With Noodles (Takes place directly after LDoS); With Doofenshmirtz paired with him as his new "sidekick", Perry's encounter with a brand new nemesis leads him to discover that he may not know everything about his former foe. Meanwhile, Phineas and Ferb are tasked with helping Buford defend his title as the local bully when a newcomer threatens to usurp him. (WARNING: OCs; rating may change)
Phineas and Ferb, T, English, Humor & Friendship, words: 3k+, favs: 1, follows: 2, 7/29/2021, Phineas, Perry, Dr. Doofenshmirtz, Buford
19 The Love Letter » (Alternate Ending to "Operation: Crumb Cake"); Phineas ends up reading Isabella's love letter to him. Like most things in life, it doesn't end up the way one would expect. (Phinabella)
Phineas and Ferb, T, English, Humor & Romance, chapters: 2, words: 1k+, favs: 15, follows: 6, updated: 7/5/2021 published: 11/3/2019, Isabella, Phineas
61Yard Bird » ("Like Father, Like Son" sequel; originally "The Prisoner"); Candace stopped in her tracks as she saw Phineas, leaning against the wall, crossing his arms. "Hey, sis," Phineas said bitterly, "How's it going with you? Me? I'm fine…'cept for some things…" Phineas stood straight and walked over to Candace. "I want answers," he said, "If you would please, sir." (slight Phinabella)
Phineas and Ferb, T, English, Family & Adventure, chapters: 18, words: 79k+, favs: 41, follows: 35, updated: 1/26/2021 published: 8/20/2015, Candace, Phineas, Dr. Doofenshmirtz, OC
7 The Sun Rises After an admittedly traumatic experience involving pharmacists of all things, Phineas and Isabella have a heart-to-heart. (Alternate ending of "Night of the Living Pharmacists")
Phineas and Ferb, K+, English, Romance & Friendship, words: 1k+, favs: 24, follows: 8, 12/22/2020, Isabella, Phineas
6 Someone Else Phineas was Isabella's best friend. She would do anything for him. Even if it meant losing him.
Phineas and Ferb, K+, English, Romance & Friendship, words: 2k+, favs: 14, follows: 5, 8/12/2020, Isabella, Phineas
4 Though I Sleep Lately, Phineas has been plagued with dreams, and all of them have to do with Isabella in one way or another. That doesn't necessarily make them good dreams, however. Luckily, he has a brother like Ferb to offer her some advice on how he should tackle this dilemma. If only he would listen... (Phinabella)
Phineas and Ferb, T, English, Romance & Hurt/Comfort, words: 3k+, favs: 16, follows: 4, 1/29/2020, [Phineas, Isabella] Ferb
2The Lion King: PnF Version Phineas is the young, creative, and mischievous prince of the Tri-Kingdom Area, next in line to the throne. Unbeknownst to him, many envy his future role, including his uncle who's bent of usurping the throne by any means necessary. When things turn for the worst, leaving Phineas on the run from his past, who will be able to save the home he left behind? (AU; Phinabella)
Phineas and Ferb, K+, English, words: 3k+, favs: 10, follows: 7, 8/17/2019, Isabella, Phineas, Ferb, Dr. Doofenshmirtz
5 Underneath the Moonlight (Takes place directly after the events of the episode "Excaliferb") During the Midsummer Woad-Gathering Harvest Bonfire's Eve, Phineas and Isabel, both sitting by open flame alone, begin to form a bond. (Phinabella)
Phineas and Ferb, K+, English, Friendship & Romance, words: 2k+, favs: 9, follows: 3, 3/5/2019, [Isabella, Phineas]
8 Okay Then, Just One Question Isabella kisses Phineas with the knowledge that everyone, herself included, will forget the day's events. Only that's not what ends up happening. At all. (a generic alternate ending of "Across the 2nd Dimension"; Phinabella)
Phineas and Ferb, K, English, Humor & Romance, words: 7k+, favs: 79, follows: 21, 12/23/2017, Isabella, Phineas, Ferb, Major Monogram
4Siblings For years, plants and animals have lived in a shaky harmony among Mobius, most still bitter about a war that has long since ended in a world shattering into nothingness. Whatever little peace has been made between the races is tested by two children and their older siblings upon a chance meeting no one could've anticipated.
Sonic the Hedgehog, T, English, Family & Romance, words: 4k+, favs: 9, follows: 9, 3/21/2017, Sonic, Tails, Cosmo, Galaxina
19 Unexpected Confessions After another day in Phineas and Ferb's backyard, one of Isabella's friends takes it upon herself to ask Phineas an important question that gets an unexpected answer. What does Phineas think of Isabella? Everyone is dying to know.
Phineas and Ferb, K+, English, Humor, words: 2k+, favs: 35, follows: 16, 1/20/2017, Isabella, Phineas
5 We're Not So Scary in the Summer » (title is subject to change) In financial debt and struggle, Candace desperately seeks a job at the Googolplex Diner and becomes their latest security guard. In spite certain rumors about said establishment are, apparently, true, Candace still wonders if her new place in life is a good or bad thing. (chapters don't always have correlation to each other; inspired by LoveyLoo)
Phineas and Ferb & Five Nights at Freddy´s, K+, English, Friendship & Family, chapters: 2, words: 4k+, favs: 12, follows: 13, updated: 11/15/2016 published: 6/22/2016, Candace, Phineas, Ferb
58 SummerTale » (PnF/UnderTale AU); Phineas and his friends, while being stalked by the bust-lustful Candace, fall into Mt. Ebott, where none has ever managed to escape; so legends go. Upon falling, the group is separated, and Phineas finds himself on a search for his beloved friends, while being guided by a single voice. "Phineas! Wake up! You are the hope of all humans and monsters!"
Phineas and Ferb & Undertale, T, English, Adventure & Friendship, chapters: 4, words: 14k+, favs: 31, follows: 36, updated: 10/26/2016 published: 3/25/2016
3Across the Psychotic Dimension: Epic Rewrite In a world of madness and unknown fantasies (or curses) unbeknownst to any normal universe, Dr. Heinz Doofenshmirtz is both a banished delegate to the Drusseltanian Union, and a scientist who's known for his reclusion. On the other side of the spectrum is the moral seeking Phineas, whose childish ambitions keep him from achieving his goals. (an extreme AU; requests are open)
Phineas and Ferb, T, English, Humor & Parody, words: 11k+, favs: 1, follows: 1, 6/22/2016
3 Missing What You Never Had Every night it had been the same, strange dream. Phineas didn't know when or how it started, and it was so often that he'd begun to wonder what was real and what wasn't. And it didn't help that there was always just one difference between reality and fiction; a difference he didn't really want to decipher. (for Marissa Flynn; HAPPY BIRTHDAY)
Phineas and Ferb, T, English, Family & Hurt/Comfort, words: 4k+, favs: 6, follows: 4, 5/26/2016, Phineas
2 Varied By Tolerance Perry the Platypus has always been shrouded in mystery; his origins have always remained unknown to anyone, from his nemesis to the agents of OWCA themselves. One agent, a stubborn newcomer, decides to get some answers…and instead learns something entirely different.
Phineas and Ferb, T, English, words: 4k+, favs: 18, follows: 6, 4/4/2016, Perry
8 Think the World Of On the day of Valentine's, one girl begins thinking about her crush on a certain Ferb Fletcher. (slight FerbxOC, FerbxVanessa, and PhineasxIsabella)
Phineas and Ferb, K, English, Friendship & Romance, words: 2k+, favs: 7, follows: 3, 2/14/2016, Ferb, OC
11Story of My Life » "I'm Phineas. I live with my dad in the Tri-State Area. And today, I met someone very…interesting." An AU where Phineas and Ferb aren't brothers, but still live their everyday adventures (with some twists).
Phineas and Ferb, K+, English, Friendship & Humor, chapters: 2, words: 6k+, favs: 13, follows: 12, updated: 1/18/2016 published: 11/11/2015, Phineas, Ferb
13Dares of Destruction, Truths of Destiny » When an alien invasion is about to take place on Earth, Phineas, Ferb, and the rest of the cast must win a game of "Truth or Dare" in order to save all life as we know it. (Just like any "Truth or Dare" game-fic, only with a story-line; requests are OPEN)
Phineas and Ferb, T, English, Humor, chapters: 3, words: 13k+, favs: 4, follows: 11, updated: 1/12/2016 published: 9/24/2015
4 A Sister's Always There Little Phineas has a nightmare, and he goes to the "bravest sister" ever in order to quell his fears; meanwhile, said sister begins to think about things that have happened recently, more than any child her age should. [Gift for jolleIQ]
Phineas and Ferb, K+, English, Family & Hurt/Comfort, words: 1k+, favs: 27, follows: 7, 12/25/2015, Candace, Phineas