Watch the full episode of Phineas and Ferb "Unfair Science Fair / Unfair Science Fair Redux!" The boys help Baljeet put together his summer school science fair project!

Watch the next Phineas and Ferb video here:    • Out to Launch | S1 E24 | Full Episode...  

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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.

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