We Are Not Alone
Show: Dinosaurs --> Season: 3 - Season 3
AirDate: 5/2/1993
Runtime: 23
Voting: 8 (2)

Overview: Robbie poses as a space alien and orders Earl to get involved in cleaning up Earth, never imagining that he would quit his job to launch an environmental crusade.
Jason Alexander
UFO! Host / Announcer (voice)
Sam McMurray
Roy Hess (voice)
Sherman Hemsley
B.P. Richfield (voice)