Phineas and Ferb Season 4 Episode 21

One Good Turn

Candace and Stacy compete in Phineas and Ferb’s Ultimate Obstacle Course. Doofenshmirtz plans to humiliate his brother, the Mayor.

Guest Stars

John O'Hurley

Roger Doofenshmirtz (voice)

Season 4

Season 1Season 2Season 3Season 4Season 5Season 6

1–3031–48

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