The Cosby Show - Season 4 - Eps 18: Once Upon a Time
Rudy writes a fairy tale, and the colorful story is acted out in her fantasy. Members of the family play the roles of a village full of happy people and a mean group that ruins their fun. At the end of the episode, Rudy declares that when she becomes "president of the world", she will put a stop to all mean people. Cliff and Clair proceed to watch news reports of weapons' testing and bombings, and urge her to "hurry, because we need you right now." Earle Hyman as Russell.
About The Cosby Show

Title: The Cosby Show
First Air Date: 1984-09-20
Last Air Date: 1992-04-30
Status: Ended
Rating: 7.027/10 (from 424 votes)
Language: EN
Seasons: 9
Total Episodes: 197
Network: NBC
Genres: Comedy, Family
Production Companies: Carsey-Werner Company, Bill Cosby
Synopsis
The Cosby Show is an American television situation comedy starring Bill Cosby, which aired for eight seasons on NBC from September 20, 1984 until April 30, 1992. The show focuses on the Huxtable family, an upper middle-class African-American family living in Brooklyn, New York.
Cast

Bill Cosby
Heathcliff Huxtable

Phylicia Rashād
Clair Huxtable

Malcolm-Jamal Warner
Theo Huxtable

Tempestt Bledsoe
Vanessa Huxtable

Keshia Knight Pulliam
Rudy Huxtable

Sabrina Le Beauf
Sondra Huxtable

Geoffrey Owens
Elvin Tibideaux

Raven-Symoné
Olivia Kendall

Erika Alexander
Pam Tucker