Uploaded June 2026 | Updated September 2026, 3 weeks ago

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Watch a clip from Phineas and Ferb, Season 1 Episode 1, "Rollercoaster/Candace Loses her Head". Phineas and Ferb build the coolest rollercoaster ever in their backyard!

Phineas and Ferb available on Disney+
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Watch the next Phineas and Ferb video here: youtu.be/cqndIJ_ElYg

Watch Phineas and Ferb on Disney Channel! And check out more Phineas and Ferb full episodes here: youtube.com/playlist?list=PLg6R6yXKSLYB7kxBoElpG5rSgThsWdrzr

Watch the new Agent P Under C shorts here: youtube.com/playlist?list=PLiv1IUQDVSNJSCTbHz38QHSm34M_9cDIi&si=o2jsW8XzZQ9CFhAj

Phineas and Ferb invent, scheme, and stay one step ahead of their sister Candace who just wants to catch them up to no good! Their pet platypus Perry lives a double life as a secret agent whose sole mission is to foil Dr. Doofenshmirtz's plans.

Listen to music from the series on The Phineas and Ferb Ultimate playlist, available wherever you stream music!