The Berenstain Bears - Season 1 - Eps 21: No Girls Allowed
Sister Bear can run faster, climb higher, and hit a ball farther than the boys, and she gloats over it. So Brother Bear and his friends build a clubhouse for boys only, and when Sister discovers this, she plans a terrible revenge on the boys.
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