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Phineas and Ferb S03E09, Misperceived MonotremeS03E09

Phineas and Ferb · Season 3

Phineas and Ferb season 3 episode 9: Misperceived Monotreme

Aired 13 May 201111 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 “Misperceived Monotreme”

Perry misses his 100th battle against Dr. Doofenshmirtz when Candace takes him to the Charity Pet Wash with her. Perry's absence goes unnoticed when the zookeeper's typical platypus at the Danville Zoo stops Dr. Doofenshmirtz's plan to zap his brother with his "Least Likely-inator." Meanwhile, the boys build a fun house Phineas and Ferb style.

Episode summary: TMDB.

Before you watch

  • It is episode 9 of 62 of season 3, so watch episodes 1 to 8 first.
  • It runs about 11 minutes.
  • Directed by Jay Lender, written by Kaz, Martin Olson and Tom Minton.

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
Jay Lender
Writers
KazMartin OlsonTom Minton
Guest stars
Candi Milo as Additional Voices (voice)Corey Burton as Additional Voices (voice)Jack McBrayer as Irving (voice)Lisa Ling as Tykera Kwok (voice)

Credits: TMDB.

More from Phineas and Ferb Season 3

Previous · S03E08Ask a Foolish Question13 May 2011Next · S03E10Candace Disconnected18 June 2011
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  2. E02
  3. E03
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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.