Naomi's older sister, Jen, unexpectedly returns to Beverly Hills. Meanwhile, Naomi persuades Annie to go on a double date, and Adrianna and Navid reveal their decision to his parents.
Season 1 Episode 21 of 90210 resulted in a 0.00 rating in the 18-49 demographic.
s01e01 - We're Not in Kansas Anymore
s01e02 - The Jet Set
s01e03 - Lucky Strike
s01e04 - The Bubble
s01e05 - Wide Awake and Dreaming
s01e06 - Model Behavior
s01e07 - Hollywood Forever
s01e08 - There's No Place Like Homecoming
s01e09 - Secrets and Lies
s01e10 - Games People Play
s01e11 - That Which We Destroy
s01e12 - Hello, Goodbye, Amen
s01e13 - Love Me or Leave Me
s01e14 - By Accident
s01e15 - Help Me, Rhonda
s01e16 - Of Heartbreaks and Hotels
s01e17 - Life's a Drag
s01e18 - Off the Rails
s01e19 - Okaeri, Donna!
s01e20 - Between a Sign and a Hard Place
s01e21 - The Dionysian Debacle
s01e22 - The Party's Over
s01e23 - Zero Tolerance
s01e24 - One Party Can Ruin Your Whole Summer
The series revolves around the three-generational Wilson family who have recently moved to Beverly Hills, California after the father Harrison Wilson accepts the position of being the principal of West Beverly Hills High School.