Well my life and what goes on in it really isn't your concern anymore
—David to Donna
Thicker Than Water is the 17th episode of Season 4 on FOX teen soap Beverly Hills, 90210.


Andrea, Brenda, Brandon, Steve and Donna are headed to Big Bear for a weekend ski trip. Andrea cancels because she has the flu, but her doctor tells her otherwise. While Suzanne is out of town, Dylan spends the day with Erica teaching her how to surf. Meanwhile, David doesn't stop taking meth and can't sleep or eat as a result, but agrees to babysit Erin. Donna, heartbroken over David's cruel behaviour towards her, flirts with a cute ski instructor.


Jason Priestley as Brandon Walsh
Shannen Doherty as Brenda Walsh
Jennie Garth as Kelly Taylor
Ian Ziering as Steve Sanders
Gabrielle Carteris as Andrea Zuckerman
Luke Perry as Dylan McKay
Brian Austin Green as David Silver
Tori Spelling as Donna Martin
Carol Potter as Cindy Walsh
James Eckhouse as Jim Walsh

Recurring cast

Ann Gillespie as Jackie Taylor
Matthew Laurance as Mel Silver
Kerrie Keane as Suzanne Steele
Noley Thornton as Erica McKay

Guest starring

Zachary Throne as Howard
Pepper Sweeney as Chad
José Angel Santana as Detective Miller
Robin Frates as Andrea's Doctor

Trivia Edit

  • Andrea finds out that she's pregnant
  • Suzanne tells Dylan that the 25,000 dollars in her account are new insurance money from the loss of her trailer.
  • Donna hooks up with Chad
  • Kelly asks David flat out if he's doing drugs and he lies to her. After finding Erin he confesses to using meth, asking Kelly to help him.