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Phineas and Ferb S04E26, Terrifying Tri-State Trilogy of TerrorS04E26

Phineas and Ferb · Season 4

Phineas and Ferb season 4 episode 26: Terrifying Tri-State Trilogy of Terror

Aired 5 October 201324 minRated TV-G

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Where to watch Phineas and Ferb Season 4 in Australia

Phineas and Ferb season 4 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 “Terrifying Tri-State Trilogy of Terror”

Candace brings her plush Ducky to life. Doofenshmirtz encounters a Giant Floating Baby Head. Phineas, Ferb, and their friends confront a horde of evil platypuses.

Episode summary: TMDB.

Before you watch

  • It is episode 26 of 48 of season 4, so watch episodes 1 to 25 first.
  • It runs about 24 minutes.
  • Directed by Robert Hughes, written by Kim Roberson, Scott D. Peterson, Martin Olson and John Mathot.

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
Kim RobersonScott D. PetersonMartin OlsonJohn Mathot
Guest stars
Oliver Chris as Mr. Macabre (voice)Alex Hirsch as Officer Concord (voice)David Koechner as Rusty Bridges (voice)

Credits: TMDB.

More from Phineas and Ferb Season 4

S04E25Previous · S04E25Druselsteinoween4 October 2013
Next · S04E27Face Your Fear11 October 2013
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  3. E03
  4. E04
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  44. E44
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  46. E46
  47. E47
  48. E48

Every episode of Season 4Phineas 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.