A Tri State Zooathlon » by leobkenn Phineas and Ferb get wind of a skilled knockout zooathlon, beginning in the coming days and find it totally interesting. Only one problem - Humans can't enter. To tackle that, they turn to Perry the Platypus, but how will he fight the competing evil without blowing his cover or getting disqualified?

I Will Reveal You by dottsie Baljeet seeks out someone to kiss at midnight on New Year's Eve. It doesn't go according to plan.

Phineas and Ferb: All a Lie » by jpswrit517 A normal day for Phineas turned upside down as his world falls apart. His parents are sent to jail. Ferb moves to England. Stacy takes Candace in, and Perry is relocated leaving Phineas alone; left to pick up the pieces of what he thought he knew as life. Thankfully, his best friend and her pink bow is there to walk through this new life with him. T for language. Phinabella

32All We Know: Lone Ranger » by Perryfan68 Perry the Platypus, OWCA's top agent, has always been a lone wolf, avoiding cooperative work and the other agents whenever possible. Penny, his little sister, doesn't feel confident being alone in the field and desperately wants a partner. What would happen if the two siblings got paired together one day? First in the All We Know series. (Features OCs) (IN PROGRESS AS OF JUNE 2024)

Phosphenes by dottsie Isabella and Phineas have been amicably divorced for five years. She muses on this as she and Ferb walk home from their monthly friend date.

Secret’s Out Part 2 by KaylaDestinee Someone leaks information about The O.W.C.A to the following Agents families Perry the platypus,Peter the panda, Pinky the chihuahua, Darren the duck, and Sergei the snail.

1Secret’s Out by KaylaDestinee Someone leaks information about The O.W.C.A to the following Agents families Perry the platypus,Peter the panda, Pinky the chihuahua, Darren the duck, and Sergei the snail. Agent ranks Bronze, Silver, Gold,Platinum, Double Platinum, Triple Platinum, and Diamond Perry also has a love interest a purple platypus named Princess from Florida

1 Despondent, Catatonic by dottsie He was waiting on her. She was holding him back.

1Stories From Another Time » by zapdosmaster145 Bonus scenes and short stories set in the timelines of "Under Absolute Despotism" and "A Gulf of Civil Horror," presented for your enjoyment and to fill in some background details.

Some Things Stay Sweet Forever by dottsie Candace and Suzy spend a moment with newly-born Amanda.

1Phineas and Isabella: The Butterfly Effect » by TMan5636 Ferb has been acting strange as of late, seemingly ignoring Phineas and the rest of his family, feeling detached, Isabella helps Phineas find the solution, and it isn't what they were expecting. But little do they realise, this was only the start of a much grander and perilous adventure that will test everything they have.

1Phineas and Ferb: Season 1 Transcripts (WARNING: IN PROGRESS!) » by NostalgiaZone Phineas and Ferb is a cartoon that aired on Disney Channel from 2007 to 2015. Transcript in heavy progress

16Phineas and Ferb: Mystery of the Love Notes » by jpswrit517 A normal day at Danville middle school changes upon the appearance of a mysterious envelope on two lockers. Join the crew as these envelopes guide them through relationships, friendships, and an attempt to figure out who left them the clues they needed to find what they had all along. Some Mild Language.