Beverly Hills, 90210 - Season 1 - Eps 11: B.Y.O.B.
Brenda goads Brandon into taking her to a party at Donna's house. He voices his objections to alcohol, but Steve spikes his drink. He decides to go along with it so that he won't appear ""uncool."" Kelly gets drunk and sleeps with Steve. Cindy catches Brenda with alcohol on her breath, but Brandon gets by unscathed. Jim and Cindy attend a weekend retreat, where they are forced to spend all their time with an overly friendly couple. Brenda convinces Brandon to throw a party, but they agree not to drink. Word of the party spreads, and it quickly gets out of hand. Brandon drinks heavily and kisses a stunned Andrea. Kelly dances with the lovestruck David to avoid Steve's advances. Brandon tries to drive to the store and smashes his car. He is arrested for drunk driving. Dylan takes him to an AA meeting and reveals that he is an alcoholic.
About Beverly Hills, 90210

Title: Beverly Hills, 90210
First Air Date: 1990-10-04
Last Air Date: 2000-05-17
Status: Ended
Rating: 7.375/10 (from 739 votes)
Language: EN
Seasons: 11
Total Episodes: 284
Network: FOX
Genres: Drama, Soap
Production Companies: Unknown
Synopsis
Follow the lives of a group of teenagers living in the upscale, star-studded community of Beverly Hills, California and attending the fictitious West Beverly Hills High School and, subsequently, the fictitious California University after graduation.
Cast

Jennie Garth
Kelly Taylor

Ian Ziering
Steve Sanders

Luke Perry
Dylan McKay

Brian Austin Green
David Silver

Vincent Young
Noah Hunter

Vanessa Marcil
Gina Kincaid

Tori Spelling
Donna Martin

Lindsay Price
Janet Sosna

Daniel Cosgrove
Matt Durning

Joe E. Tata
Nat Bussichio