Phineas and Ferb

Season 1, Episode 21

Episode Title: It's About Time!

Air Date: 2008-03-01

Overview:

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.