S03E52Phineas and Ferb season 3 episode 52: Tri-State Treasure: Boot of Secrets
Aired 22 June 201211 minRated TV-G
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 “Tri-State Treasure: Boot of Secrets”
The guys help their dad unearth a missing piece of Danville history; Doofenshmirtz tries to make himself younger to win a children's film festival.
Episode summary: TMDB.
Before you watch
- It is episode 52 of 62 of season 3, so watch episodes 1 to 51 first.
- It runs about 11 minutes.
- Directed by Jay Lender, written by Joe Orrantia, Jim Bernstein and Mike Milo.
Phineas and Ferb trailer
The official trailer for the series (no preview of this episode has been published).
Play video: Phineas and Ferb trailer
Cast and crew of this episode
- Director
- Jay Lender
- Writers
- Joe OrrantiaJim BernsteinMike Milo
Credits: TMDB.
More from Phineas and Ferb Season 3
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.


