Harvey Birdman, Attorney at Law - Season 3 - Eps 6: Beyond the Valley of the Dinosaurs
When the whirlpool in Potamus' office sucks them back into pre-history, Harvey, Potamus, Peanut and Phil must find their way back to the office. Or rather, Harvey needs to find his way back, as the rest want to stay.
About Harvey Birdman, Attorney at Law

Title: Harvey Birdman, Attorney at Law
First Air Date: 2000-12-30
Last Air Date: 2007-07-22
Status: Ended
Rating: 8/10 (from 110 votes)
Language: EN
Seasons: 5
Total Episodes: 39
Network: Unknown
Genres: Sci-Fi & Fantasy, Animation, Comedy, Action & Adventure, Crime
Production Companies: Williams Street, Turner Studios
Synopsis
Harvey Birdman, Attorney at Law features ex-superhero Harvey T. Birdman of Birdman and the Galaxy Trio as an attorney working for a law firm alongside other cartoon stars from 1960s and 1970s Hanna-Barbera cartoon series. Similarly, Harvey's clients are also primarily composed of characters taken from Hanna-Barbera cartoon series of the same era. Many of Birdman's nemeses featured in his former cartoon series also became attorneys, often representing the opposing side of a given case.
Cast

Gary Cole
Harvey Birdman (voice)

Thomas Allen
Peanut (voice)

Stephen Colbert
Phil Ken Sebben / Myron Reducto (voice)

John Michael Higgins
Mentok the Mindtaker (voice)

Chris Edgerly
Peter Potamus (voice)

Paget Brewster
Birdgirl (voice)

Peter MacNicol
X the Eliminator (voice)