Doof uses an inator to return purchases to the store they came from. ...

Candace asks for Phineas and Ferb's help making Jeremy's birthday gift. ...

Doof inherits a castle in Druselstein. ...

In this Halloween episode, our characters star in three separate tales. ...

Candace finds that a neighbor has witnessed Phineas and Ferb's antics. ...

When Dr. Doofenshmirtz's latest invention causes the Marvel heroes to lose their powers, they team up with Phineas and Ferb to save the world from Doofenshmirtz and the M ...

Mom becomes overwhelmed with organizing a block party. ...

The boys set out to prove the existence of the elusive Chupacabra. ...

Candace thinks her day will be easy peasy. ...

Dr. Doofenshmirtz intends to turn himself into Der Kinderlumper to scare Roger into surrendering him control of the Tri-State Area. ...

Kelly Osborn hosts the Phineas and Ferb Cliptastic countdown. ...

The boys surf through town on a giant ball of water. ...

After Mom reminisces about old times, the boys decide to make the ultimate inflatable wading pool. ...

Buford tries to keep Phineas and Ferb's invention from disappearing. ...

Doofenshmirtz hires an Outback platypus hunter who goes rogue, forcing Perry and doctor to team up to save themselves from the boomerang-throwing maniac. Baljeet is unabl ...

Agent P reluctantly joins up with a former partner to stop a hijacked train running along the border of the U.S.A. and Canada. ...

Fly on the Wall: Phineas and Ferb create a giant tire swing contraption; Buford messes with the wiring and creates a ray which turns Candace into a fly; Candace has a per ...

In For Your Ice Only, Phineas and Ferb take a hockey game to the extreme. In Happy New Year!, the boys plan their own New Year's Eve ball drop while Candace makes a resol ...

In Blackout!: Dr. Doofenshmirtz' Big-Sad-Eye-inator shorts out Danville's power, plunging the city into utter darkness (leaving only people's eyeballs showing). Candace d ...

Dr. Doofenshmirtz uses his Backstory-inator to extract all the liquid essence of pain and suffering from his rotten life, feed it back into himself, and transform himself ...

In When Worlds Collide: Phineas and Ferb hold a sleepover so they can check out their space probe. Buford's dubious past encounter with an alien whalemingo gets verified ...

In What a Croc!: Animal TV icon Crikey the Croc has gone missing, so Phineas and Ferb search the city sewers to find him, not considering that little Crikey has grown som ...

Locked out of the OWCA computer thanks to Perry, Evil Carl seeks the platypus' whereabouts after he and his computer-accessing paw-print disappear under united fire from ...

The Fletches and friends vacation to Africa, but Perry feigns an illness to stay behind, believing Dr. Doofenshmirtz to be up to his usual no good. In fact, Doofenshmirtz ...

In Doofenpus: Phineas and Ferb build a device to make solid things liquid in order to check out new flavors for truly exotic smoothies. Dr. Doofenshmirtz figures to beat ...

In Sipping with the Enemy, Dr. Doofenshmirtz' daughter Vanessa runs across Major Monogram's son Monty at a coffee shop, subsequently enjoying an impromptu date. Spotting ...

In Sleepwalk Surprise: Candace can't let Mom bust her brothers in their new game of jet-pack volleyball (which she inadvertently suggested) so long as Jeremy is in the ga ...

In Mom's in the House: Phineas and the gang build a giant, flying Perrytronic 3000 to go anywhere with them. Candace endeavors to keep them working on it in hopes of it b ...

In Agent Doof: Candace becomes responsible for the boys when she's made their babysitter, and Perry becomes responsible for Doofenshmirtz when he applies to be an OWCA ag ...

In The Mom Attractor: Phineas and Ferb let Candace decide what they'll do today, so she commands them construct something to bring Mom back home (and bust them for it). M ...

Mom is out of Doonkelberries for her famous Doonkelberry pie, so the boys set out to find some. ...

In Let's Bounce, the boys use an anti-gravity device to suspend trampolines all over town to bounce on. In Bully Bromance Breakup, Buford breaks up with Baljeet and joins ...