Phineas and Ferb Season 1 Episode 21: It's About Time!
Phineas and Ferb find a time machine at a museum and travel back to the Jurassic Age. Meanwhile, Perry is sad when Doofenshmirtz replaces him with a new nemesis, Peter the Panda, so he confides in a relationship talk-show host.
Aired 2008-03-01 · 22 min
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