Phineas and Ferb Episodes

2007, TV Show

Phineas and Ferb Episode: "When Worlds Collide"

Season 3, Episode 59
Episode Synopsis: Phineas and Ferb try to prevent an out-of-control planet from smashing into Danville. Meanwhile, Doofenshmirtz attempts to steal the world's largest ball of twine.
Original Air Date: Sep 14, 2012

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Premiered: August 17, 2007, on Disney
Rating: TV-G
User Rating: (1,320 ratings)
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Premise: Animated adventures of two stepbrothers who build outlandish inventions in their backyard while their pet platypus, Perry, carries out secret spy missions.

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