Naomi's friends worry that she is rushing to get married, so Naomi and P.J. decide to throw a small party so everyone can get to know him. Austin returns to Los Angeles and offers to be Adrianna's new manager, suggesting she give country music a try. Caleb is concerned Ivy might not be emotionally stable, while Annie finally admits to Caleb that she is falling for him. Meanwhile, Silver feels conflicted about her feelings for Navid who is back in town.
Season 4 Episode 21 of 90210 resulted in a 0.00 rating in the 18-49 demographic.
s04e01 - Up In Smoke
s04e02 - Rush Hour
s04e03 - Greek Tragedy
s04e04 - Let The Games Begin
s04e05 - Party Politics
s04e06 - Benefit Of The Doubt
s04e07 - It's the Great Masquerade, Naomi Clark
s04e08 - Vegas, Maybe?
s04e09 - A Thousand Words
s04e10 - Smoked Turkey
s04e11 - Project Runaway
s04e12 - O Holly Night
s04e13 - Should Old Acquaintance Be Forgot?
s04e14 - Mama Can You Hear Me?
s04e15 - Trust, Truth and Traffic
s04e16 - No Good Deed
s04e17 - Babes In Toyland
s04e18 - Blood Is Thicker Than Mud
s04e19 - The Heart Will Go On
s04e20 - Blue Ivy
s04e21 - Brides and Prejudice
s04e22 - Tis Pity
s04e23 - A Tale of Two Parties
s04e24 - Forever Hold Your Peace
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.