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Phineas and Ferb – Season 5, Episode 12 The Bad Old Days; Mantis Fact

Play trailer Phineas and Ferb – Season 5, Episode 12 The Bad Old Days; Mantis Fact Aired Jul 26, 2025 Kids & Family Adventure Action Comedy Animation Play Trailer Watchlist
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Vanessa and Doof travel to Drusselstein while the boys dig for Mom's lost wedding ring; the kids build a bird mansion for a rare macaw while Doof deals with giant praying mantises.
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Phineas and Ferb — Season 5, Episode 12

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Cast & Crew

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Vincent Martella

Phineas Flynn

Thomas Brodie-Sangster

Ferb Fletcher

Ashley Tisdale

Candace Flynn

Caroline Rhea

Linda Flynn-Fletcher

Richard O'Brien

Lawrence Fletcher

Dee Bradley Baker

Perry the Platypus
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Phineas and Ferb — Season 5, Episode 12

Phineas and Ferb Phineas and Ferb View more photos

Episode Info

Synopsis Vanessa and Doof travel to Drusselstein while the boys dig for Mom's lost wedding ring; the kids build a bird mansion for a rare macaw while Doof deals with giant praying mantises.
Director
Dan Povenmire, Zac Moncrief
Executive Producer
Jeff "Swampy" Marsh
Network
Disney Channel
Rating
TV-G
Genre
Kids & Family, Adventure, Action, Comedy, Animation
Original Language
English
Release Date
Jul 26, 2025