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Phineas and Ferb S01E46, Unfair Science FairS01E46

Phineas and Ferb · Season 1

Phineas and Ferb season 1 episode 46: Unfair Science Fair

Aired 17 February 200911 minRated TV-G

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Where to watch Phineas and Ferb Season 1 in Australia

Phineas and Ferb season 1 is streaming in Australia on Disney+ (subscription, listed for the whole show). You can also buy it on Apple TV from $9.99.

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Availability checked 16 November 2026.

What happens in “Unfair Science Fair”

Phineas and Ferb help Baljeet build a portal to Mars for a special Summer science fair. Candace competes against another girl for getting a job at Mr. Slushy Burger. Meanwhile, Doofenshmitz builds a bicarbonate volcano for the science fair, in yet another attempt to redeem himself from his embarrassing childhood, where we discover where the -inator suffix originated from.

Episode summary: TMDB.

Before you watch

  • It is episode 46 of 47 of season 1, so watch episodes 1 to 45 first.
  • It runs about 11 minutes.
  • Directed by Dan Povenmire and Zac Moncrief, written by Martin Olson, Aliki Theofilopoulos, Elizabeth Ito and Bobby Gaylor.

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

Directors
Dan PovenmireZac Moncrief
Writers
Martin OlsonAliki TheofilopoulosElizabeth ItoBobby Gaylor

Credits: TMDB.

More from Phineas and Ferb Season 1

Previous · S01E45Phineas and Ferb Get Busted16 February 2009Next · S01E47Unfair Science Fair Redux (Another Story)18 February 2009
  1. E01
  2. E02
  3. E03
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  46. E46
  47. E47

Every episode of Season 1Phineas 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.