The Walshes plan to spend the holidays in Hawaii, but their plane experiences mechanical problems. They are forced to fly back to Los Angeles and make an emergency landing. Dylan receives a surprise visit from Suzanne Steele, his father's former lover, and her 12-year-old daughter. The duo recently lost its home in Iowa to a flood, and decided to take a road trip as a distraction. Suzanne reveals that Erica is Dylan's half-sister. He is initially skeptical, but decides to give them the benefit of the doubt. Kelly boycotts Mel's Christmas party, but he comes through for her when she has a dental emergency. David gives Donna the cold shoulder for refusing to sleep with him. He breaks up with her on Christmas Eve. Andrea worries about proper protocol as she prepares to attend Midnight Mass with Jesse's family. Music: 'The Christmas Song' by Aaron Neville.

Beverly Hills, 90210 Season 4 Episodes...

• s04e01 - So Long, Farewell, Auf Wiedersehen, Goodbye
• s04e02 - The Girl From New York City
• s04e03 - The Little Fish
• s04e04 - Greek to Me
• s04e05 - Radio Daze
• s04e06 - Strangers in the Night
• s04e07 - Moving Targets
• s04e08 - Twenty Years Ago Today
• s04e09 - Otherwise Engaged
• s04e10 - And Did It... My Way
• s04e11 - Take Back the Night
• s04e12 - Radar Love
• s04e13 - Emily (a.k.a. The Pink Pearl)
• s04e14 - Windstruck
• s04e15 - Somewhere in the World It's Christmas
• s04e16 - Crunch Time
• s04e17 - Thicker Than Water
• s04e18 - Heartbreaker
• s04e19 - The Labors of Love
• s04e20 - Scared Very Straight
• s04e21 - Addicted to Love
• s04e22 - Change Partners
• s04e23 - A Pig Is a Boy Is a Dog
• s04e24 - Cuffs and Links
• s04e25 - The Time Has Come Today
• s04e26 - Blind Spot
• s04e27 - Divas
• s04e28 - Acting Out
• s04e29 - Truth and Consequences
• s04e30 - Vital Signs
• s04e31 - Mr. Walsh Goes to Washington (Part 1)
• s04e32 - Mr. Walsh Goes to Washington (Part 2)

Beverly Hills, 90210 Show Summary

This long-running drama dealt with the experiences of a group of young people in Beverly Hills, CA as they navigated high school, college and ultimately the real world. The series focused on their travails as they tried to maintain their friendship while dealing with romances, family and personal crises, tragedies and countless drug addictions.