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Phineas and Ferb S03E58, When Worlds CollideS03E58

Phineas and Ferb · Season 3

Phineas and Ferb season 3 episode 58: When Worlds Collide

Aired 14 September 201211 minRated TV-G

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Where to watch Phineas and Ferb Season 3 in Australia

Phineas and Ferb season 3 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $14.99.

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Availability checked 16 November 2026.

What happens in “When Worlds Collide”

After discovering that a strange planet is hurtling directly towards Danville, Phineas and Ferb set out to avert a disaster, while Buford looks forward to making contact with its alien race. Meanwhile, Dr. Doofenshmirtz hopes to steal the world's largest ball of twine.

Episode summary: TMDB.

Before you watch

  • It is episode 58 of 62 of season 3, so watch episodes 1 to 57 first.
  • It runs about 11 minutes.
  • Directed by Robert Hughes, written by Kyle Menke, Scott D. Peterson and Derek Lee Thompson.

Phineas and Ferb trailer

The official trailer for the series (no preview of this episode has been published).

Phineas and Ferb trailerPlay video: Phineas and Ferb trailer

Cast and crew of this episode

Director
Robert Hughes
Writers
Kyle MenkeScott D. PetersonDerek Lee Thompson

Credits: TMDB.

More from Phineas and Ferb Season 3

S03E57Previous · S03E57Ferb TV7 September 2012
Next · S03E59What'd I Miss?17 September 2012
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Every episode of Season 3Phineas and Ferb episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.