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.

The kids are visited by the Master of Fate while Agent P has his OWCA performance review.

Candace and the boys are stuck in an elevator next to Doof and Agent P.

The kids go on a dungeon crawl while Doof tries a reality dating show.

Monogram and Carl inspect Agent P's many lair entrances while Candace tries to speak to the Mysterious Force.

Buford goes on a whimsical adventure with a bread bowl hot tub.

Vanessa and Monty bring their warring fathers, Doof and Monogram, to a "meet the parents" dinner.

Candace and Jeremy make a Perry documentary as the kids play an extreme game of croquet.

Doof gathers energy from people exercising while the kids pilot a boat that surfs concrete.

Isabella is eager to impress foreign emissaries at Droogenfest, but Doof's plan get in her way. Meanwhile, Phineas, Ferb, and the boys grow the world's largest doonkelberry.

When Buford is sick in bed, Baljeet forces him to watch an episode of Baljeet's favorite sci-fi show "Space Adventure!"

Doof attempts to give his own flawed personality to his brother Roger, but his inator hits lots of different people, including Phineas and Ferb.

To settle a debate between Dr. Doofenshmirtz and Major Monogram, OWCA and LOVEMUFFIN square off in a soccer match.

Doof becomes the center of his own solar system while Irving tries to impress Phineas and Ferb.

Doof's dream-project-inator misfires and projects people's dreams for all to see.

The kids build a bird mansion for a rare macaw while Doof deals with giant praying mantises.

Vanessa and Doof travel to Drusselstein while the boys dig for Mom's lost wedding ring.

Candace ignores her brothers for a day in order to help her Mom with a bust of her own.

Buford's Candace suit comes to life and tries to take over the real Candace's life.

The kids build a western town while Agent P is captured by Doofenshmirtz's swamp-dwelling cousin, Bubba Doof.

The kids and Candace each have a sleepover party on the same night.

Meap enlists Candace and the kids to help bust his nemesis Mitch before he can steal a long-lost treasure hidden somewhere on Earth.

The boys build a space adventure film set to help Baljeet learn to act.

After Doof turns into a Mothman and eats Perry's hat, they pay a visit to the OWCA Haberdasher.

Stacy takes on an agent role with OWCA to rescue Perry from some evil scientists.

Candace puts Mom in a Candace costume in hopes that she'll finally see the boys' invention.

Isabella struggles to lead the Fireside Girls on her own while Doof renews his evil business license.

The Flynn-Fletchers take a cruise while Doof steals shrunken goods.

Carl tries to help Perry stop Doof while working three other part-time jobs.

The boys bring Perry to the vet for a checkup and build a pet wash while they wait.

The kids build a massive bookcase that gets attacked by an army of Doof-plants.

The boys build a giant zoetrope that goes on an adventure of its own.

Candace and Doof see the same psychologist, who thinks their experiences may be connected.

The boys build an endless ice luge to beat the heat while Doof brings oil to a waterpark.

Candace tries to bust the boys while taking her driving test, and Doof causes chaos in traffic.

The kids build a giant submarine sandwich submarine while Doof steals food.

The kids work to save Mom after she is hit by Doof's inator.

The boys decide to ramp up their local summer block party with supersized attractions.