The WORST episodes of Phineas and Ferb
Every episode of Phineas and Ferb ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Phineas and Ferb!
Each day, two kind-hearted suburban stepbrothers on summer vacation embark on some grand new project, which annoys their controlling sister, Candace, who tries to bust them. Meanwhile, their pet platypus plots against evil Dr. Doofenshmirtz.
#1 - A Chip to the Vet
Season 5 - Episode 9 - Aired 6/21/2025
The boys bring Perry to the vet for a checkup and build a pet wash while they wait. Meanwhile, Perry tries to avoid being chipped by Doofenshmirtz.
#2 - No Slumber Party
Season 5 - Episode 18 - Aired 7/12/2025
The kids and Candace each have a sleepover party on the same night.
#3 - The Nightmare-Inator
Season 5 - Episode 24 - Aired 8/2/2025
Doof's dream-project-inator misfires and projects people's dreams for all to see.
#6 - The Haberdasher
Season 5 - Episode 15 - Aired 6/28/2025
After Doof turns into a Mothman and eats Perry's hat, they pay a visit to the OWCA Haberdasher.
#7 - Agent T (For Teen)
Season 5 - Episode 14 - Aired 6/28/2025
Stacy takes on an agent role with OWCA to rescue Perry from some evil scientists.
#8 - Lord of the Firesides
Season 5 - Episode 12 - Aired 6/21/2025
Isabella struggles to lead the Fireside Girls on her own while Doof renews his evil business license.
#9 - The Aurora Perry-Alis
Season 5 - Episode 11 - Aired 6/21/2025
The Flynn-Fletchers take a cruise while Doof steals shrunken goods.
#10 - More Than an Intern
Season 5 - Episode 10 - Aired 6/21/2025
Carl tries to help Perry stop Doofenshmirtz while working three other part-time jobs.
#11 - Vendpocalypse The Musical
Season 5 - Episode 38 - Aired 1/16/2026
Doof's fear of a vending machine apocalypse comes true while the kids have fun skipping rocks. Doof works to save Norm from the machines while the kids save the people of Danville.
#12 - Biblio-Blast!
Season 5 - Episode 8 - Aired 6/14/2025
The kids build a massive bookcase that gets attacked by an army of Doof-plants.
#13 - Tropey McTropeface
Season 5 - Episode 7 - Aired 6/14/2025
The boys build a giant zoetrope that goes on an adventure of its own.
#14 - Deconstructing Doof
Season 5 - Episode 6 - Aired 6/14/2025
Candace and Doofenshmirtz see the same psychologist, who thinks their experiences may be connected.
#16 - License to Bust
Season 5 - Episode 4 - Aired 6/5/2025
Candace tries to bust the boys while taking her driving test, and Doof causes chaos in traffic.
#17 - Submarine Sandwich Submarine
Season 5 - Episode 3 - Aired 6/5/2025
The kids build a giant submarine sandwich submarine while Doof steals food.
#18 - Cloudy With a Chance of Mom
Season 5 - Episode 2 - Aired 6/5/2025
The kids work to save Mom after she is hit by Doof's inator.
#19 - Summer Block Buster
Season 5 - Episode 1 - Aired 5/26/2025
The boys decide to ramp up their local summer block party with supersized attractions. Meanwhile, Doofenshmirtz vaporizes all the things he dislikes.
#20 - The Chronicles of Meap Ep. 42 Meap Me in St. Louis
Season 5 - Episode 17 - Aired 7/5/2025
Meap enlists the kids to help bust his nemesis, Mitch, before he can steal a long-lost treasure hidden somewhere on Earth.
#21 - Attack of the Candace Suit
Season 5 - Episode 20 - Aired 7/19/2025
Buford's Candace suit comes to life and tries to take over the real Candace's life.
#22 - The Ballad of Bubba Doof
Season 5 - Episode 19 - Aired 7/12/2025
The kids build a western town while Agent P is captured by Doofenshmirtz's swamp-dwelling cousin, Bubba Doof.
#23 - Master of Fate
Season 5 - Episode 37 - Aired 1/16/2026
A cosmic traveler warns of a space-time rip, forcing the boys to save the universe by doing nothing. Meanwhile, Perry enters Doof's trap academy.
#24 - Elevator Irritator
Season 5 - Episode 36 - Aired 1/16/2026
Trapped in a mall elevator, Phineas and Ferb think inside the box as Candace tries to make her date.
#25 - Dungeons & Dating
Season 5 - Episode 35 - Aired 11/15/2025
The kids go on a dungeon crawl while Doof tries a reality dating show.