17 Works in Minor Phineas Flynn/Isabella Garcia-Shapiro
Listing Works
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Ferb has been hiding many secrets over the past few years. And now things are starting to erupt.
(Or me just projecting my trauma onto Ferb bc, A. Hes my favorite character, and B. Because he deserves more attention, C. Because I also want him to suffer, and D. Because I wanna use this fic as a personal vent fic.)
Ps: this fic is based off my past trauma and will contain: Sexual harassment, self harm, mental breakdowns, religious guilt, vivid hallucinations or dreams, and thoughts of suicide. This is technically just a vent fic and I dont expect anyone to read this since this is just me projecting my trauma onto a fictional character who's just existing, but if you do read this then proceed with caution and remember that you are loved, you are cared for, and you are the best person in the world and the world would be devastated if you went away. Drink water, eat a healthy meal, and get some fresh air because you are loved no matter what.
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A few years have passed, and the Flynn-Fletchenshmirtz household is about to be an empty nest with Phineas, Ferb, and Adyson's impending graduation. The kids are trying to decide their futures, while Phineas in particular is struggling to make up his mind, especially as he's dealing with a new facet of his life: love and romantic relationships. But how will these developments affect his thought-to-be-unbreakable bond with Ferb?
Series
- Part 10 of The Flynn-Fletcher Family-Inator
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whatcha doin'?! (but aggressively) by wegoelsewhere
Fandoms: Phineas and Ferb, Phineas and Ferb the Movie: Across the 2nd Dimension (2011)
05 Aug 2025
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he tensed briefly, her gaze scanning him over and then the other identical brothers below him. whoever this isabella was, she looked like she had been through it all.
(lowercase intended.)
- Language:
- English
- Words:
- 678
- Chapters:
- 1/1
- Kudos:
- 7
- Hits:
- 73
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Infinity War: Summer Vacation by adhdemon
Fandoms: Marvel Cinematic Universe, Marvel, The Avengers (Marvel Movies), Phineas and Ferb
09 Jul 2025
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Based on the tumblr post i saw that said something like phineas and ferb could've defeated thanos and y'know what? i ran with it.
so the time line is a bit wonky to make this work, but hear me out. it's during infinity war, but if the massive battle in endgame happened then. no one has died because i refuse to acknowledge that they did. vision and strange still have their respective stones and are trying to keep them away from thanos, hence why they're now all doing the battle on earth. does that make sense? it doesn't to me either.
this is just me avoiding life by writing, so like, don't judge or whatever idfk. i also haven't watched either of these in like years so idk how ooc this might be, but i don't really care soooooooooo
enjoy :]
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When Phineas showed her the ring, Isabella smiled like she was supposed to, despite the fact that she could feel her heart shattering into a thousand tiny pieces.
Because it wasn’t meant for her.
And the one person she can lean on, the one who’s always been there, is the one person she never expected to fall for.
Ferb Fletcher.
As old feelings begin to fade and new ones rise to the surface, Isabella finds herself questioning everything she thought she wanted.
Because the heart doesn’t always follow the plan…sometimes it chooses a path you never saw coming.”
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At the time, the worst part about your boys getting amnesia-inatored was that they’d forget everything you experienced together.
Now, the worst part is that they kept *remembering*.
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Helmet by scaryfangirl2001
Fandoms: Phineas and Ferb the Movie: Across the 2nd Dimension (2011)
07 Nov 2024
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Heinz distracts his 2nd Dimension counterpart with Tech Talk, saving his memories from being wiped.
And Phineas and Ferb's, to boot -
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"Does that mean you're a guy now?"
"Yeah," Phineas added. "Did you mean it when you were talking about being our brother? Should we call you 'he' and everything?"
He.
Ferb heard their words and barely processed them. He. Brother. He could be a he. He could be a boy. He could, and it was practically being offered to him on a silver platter.
"Yeah," he said. "Yeah, I think I'd like that a lot."
The story of when Ferb realized he was a boy.
Or: I had this idea forever ago, and then I saw that someone else headcannons Ferb as trans and it reinvigorated me to continue writing this.
- READ THE TAGS
- SLOW UPDATES
- TWs EACH CHAPTER (this story is really fluffy tho, I promise!)
Series
- Part 1 of Phineas & Ferb Fanfics
- Part 5 of Fanfics
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Phineas and Ferb's cool idea of seeing what their alternate selves are up to results in Buford having to swallow a bitter pill.
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Buford should have that known bringing up anything related to sex around Phineas was a bad idea.
A rewrite of my 2019 fic, now with twice the innuendo!
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Phineas overhears a conversation about Isabella having a crush. He decides he has to do something about it.
Sadly, it's the wrong thing.
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Heartbreak Slime Ranch by In_Much_Stress
Fandoms: Phineas and Ferb, Slime Rancher (Video Game)
17 Mar 2022
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Well, since my baby rejected me
Well, I found a new place to dwell
Well, it's down at the end of Far, Far Range
At Heartbreak Slime Ranch -
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Ferb wants clarity, Phineas isn't offering it.
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A short introspection as to how Isabella might have felt about being single in high school.
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The Consequences of War by Palizinha
Fandoms: Phineas and Ferb, Phineas and Ferb: Star Wars
23 Feb 2021
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The New Republic starts getting Empire prisoners out.
Isabella's mother was an Empire prisoner.
Isabella isn't quite sure how to handle that.
Series
- Part 3 of PnF SW
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Phineas and Ferb x Stranger Things by kawe_uncensored
Fandoms: Phineas and Ferb, Stranger Things (TV 2016)
28 Sep 2019
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Phineas Flynn and Ferb Fletcher witnessed Will Byers' vanishing and lied about it. A year later, they are still friends with Will due to their shared PTSD.
Meanwhile, Candace finds herself seeking comfort in Steve Harrington and Dustin Henderson while trying to stay the hell away from Billy Hargrove.
Lastly, Nancy Wheeler and Isabella Garcia Shapiro seek Jonathan Byers' help to shed their good girl personas and expose the lab for good. -
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On a quiet moonlit night, Phineas lays in bed, unable to sleep. The reason for his sleeplessness is Isabella...and that look on her face when she thought Phineas had abandoned her.
Series
- Part 3 of The Beak Shorts