The Berenstain Bears - Season 2 - Eps 12: The Great Grizzly Comet
The Great Grizzly Comet is passing. Some "little green bears" arrive with a warning that the comet is on a collision course with Bear Country. Papa tells Farmer Ben, who both spread the alarm to evacuate Bear Country.
About The Berenstain Bears

Title: The Berenstain Bears
First Air Date: 1985-09-14
Last Air Date: 1987-03-07
Status: Ended
Rating: 7.6/10 (from 36 votes)
Language: EN
Seasons: 3
Total Episodes: 52
Network: CBS
Genres: Animation, Kids
Production Companies: Southern Star Productions, Hanna-Barbera Australia, Joseph Cates Productions
Synopsis
An animated television series based on Stan and Jan Berenstain's Berenstain Bears children's book series.
Cast

David Mendenhall

Brian Cummings

Christina Lange

Billy Rosemberg

Frank Welker

Jake Scott