90210 >> Season 1

With prom night quickly approaching, Annie, Adrianna, Naomi, and Silver get glammed up by a famous stylist. A dateless Annie agrees to attend the event with the extremely nerdy Charlie, who is massively crushing on the popular girl. But when he realizes that her interest is purely platonic, a furious Charlie plots an evil revenge. Meanwhile, Dixon is nominated for Prom King, Ethan gets accepted into lacrosse camp, and Kelly and Harry work to get Liam on the right track.

When Dixon tries to slow down the pace of their relationship, Silver takes a trip to Kansas to learn what he was like before coming to Beverly Hills. Unfortunately, her fragile mental state gets her involved in a difficult situation. Meanwhile, Kelly once again faces her troubled mother Jackie.

Naomi meets an intriguing mystery man at her new home; Silver's Valentine's Day surprise falls apart, but she and Dixon still manage to come together. Meanwhile, Annie's jealousy of Rhonda starts to wear on Ethan.

Adrianna tells the baby's father and her mother that she is pregnant. Meanwhile, Annie feels threatened by Ethan's friendship with Rhonda; and Silver finally opens up to Dixon.

Debbie and Tabitha clash after Tabitha surprises Annie and Dixon with a new car. Adrianna begins to open up to Naomi about her secret. Meanwhile, Silver and Dixon spend the day together at the beach, but things take an awkward turn when Dixon says three little words.

Brenda receives life changing news. Meanwhile, Dixon grows closer to Christina, and an unexpected secret is destined to rock Adrianna's world.

Brenda and Kelly's friendship takes a turn for the worse. Meanwhile, Sean moves in with the Wilson family, Naomi hangs with a new crowd, and Silver becomes jealous when a cheerleader pays a little too much attention to Dixon

Harry and Debbie reveal to Annie and Dixon that Harry had a son who was given up for adoption 22 years ago. Meanwhile, Silver has the girls over for a girls' night, but the simple night together quickly escalates into a house party.

After recuperating from her health scare, Adrianna returns and tries to make amends with Naomi, but her ex-BFF refuses to forgive her for the betrayal. Adrianna makes a surprising connection with Navid, who helps her through her situation. Meanwhile, Annie and Ethan finally take their rapidly growing romance to a new level during the school's homecoming dance, causing Naomi to feel jealous.

Annie and Ethan get paired up for a class project where they must take care of a baby. This time together forces them to see each other in a new light. At Silver's half-birthday party, Silver and Dixon continue to get closer. Meanwhile, Harry and Debbie must deal with Harry's past when Tracy tells Harry that she's hired an investigator to find their son. Elsewhere, Ryan tries to cope with Kelly leaving and decides to try online dating.

As the opening night of the school play "Spring Awakening" approaches, Ty reveals to Annie his plans for a one-on-one after-party in his hotel room with her. Others at school are concerned about how fast Annie and Ty's relationship is developing. Meanwhile, Naomi won't accept her parents' divorce and Adrianna is confronted about a substance abuse problem, which gives Annie a chance to be the lead in the play.

Annie, Harry, and Debbie are surprised to find out that West Beverly's theater director can't direct the school musical anymore. Kelly persuades Brenda to take over as the play's director, but they end up arguing over Kelly's involvement with Ryan. Meanwhile, Dixon tries to get a part-time job at the Peach Pit and Naomi confronts her father's mistress.

Harry and Debbie plan a family bowling night, but find their plans interrupted by the unexpected arrival of Annie and Dixon's friends. Meanwhile, Annie finds herself torn between Ethan and Ty, Naomi experiences a difficult evening with her father, and Kelly and Silver learn that Jackie's drinking is beginning to spiral out of control.

In part one of the series premiere, Harrison Wilson accepts the job position as principal of West Beverly Hills High, forcing the Wilson family to relocate from Kansas to California and adjust to new life in the city - all while keeping a close watch on their troubled grandmother Tabitha.