Season 3
35 episodes
23 min. per episode
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Two stepbrothers unleash wild inventions each day while thwarting their sister’s schemes and their secret agent pet's nemesis.
Trailer
Episodes
The boys build a biodome to help the Fireside Girls. In "Canderemy", Candace's day with Stacy is complicated when, thanks to Dr. Doofenshmirtz, she is fused together with Jeremy.
Candace uses boots that Phineas and Ferb invent to be in two places at once. / A retiring train conductor inspires Candace to become determinedly lackadaisical.
Ferb keeps Phineas busy while the gang assembles a video compilation of his most memorable moments for his birthday party.
Phineas and Ferb make a mechanical version of a historical shark. The boys take some cows to the moon to make some exquisite ice cream.
The boys invent a supercomputer to answer their questions, but Candace has other ideas./ Perry goes missing from his 100th battle with Doofenshmirtz.
Phineas and Ferb invent, scheme, and stay one step ahead of their bratty sister. Meanwhile, their pet platypus plots against evil Dr. Doofenshmirtz.