Adrianna and Navid shock their parents when they reveal their wedding plans. Naomi is thrilled when her sister Jen returns to Beverly Hills -- as are the Wilson's, who are at their wits end with having Naomi as a houseguest! Annie and Naomi go on a double date, where Liam makes a move on Annie.
22. 1x22 "The Party's Over" (OAD: 5/5/09)
The Beverly Hills gang throws Navid and Adrianna bachelor and bachelorette parties. While Adrianna's involves mostly food, Navid's party involves the usual debauchery at a burlesque club. Dixon and Silver's relationship continues to go downhill. The chemistry between Jen and Ryan is apparent, as is between Ethan and Silver.
23. 1x23 "Zero Tolerance" (OAD: 5/12/09)
Prom night has finally arrived! Liam asks Naomi to the prom after Kelly and Harry talk to him about not being involved in typical teenage activities. The ladies get fabulous makeovers by a famous stylist, where Naomi gushes about her relationship with Liam. Dixon is nominated for prom king, and Silver winds up winning prom queen. As she accepts her crown, Silver make a heartfelt speech denouncing the meaning of the whole prom court idea, a move that upsets Dixon. Annie goes with Charlie, who gets very upset when he realizes she doesn't look at him in a romantic way.
24. 1x24 "One Party Can Ruin Your Whole Summer" (OAD: 5/19/09)
Adrianna goes into labor at the prom. Annie's night turns into a nightmare when some of the BH students gang up against her when they believe that she spilled the beans about the whereabouts of an after-prom party. Dixon has had it with Silver where he catches her in an intimate moment with Ethan (who reveals his true feelings to her). Liam, believing that Naomi betrayed his trust, sleeps with Jen. Naomi catches Liam cheating on her, but believe he was with Annie and a huge fight ensues. Annie is completely humiliated at the party and leaves, but not before grabbing a bottle of alcohol. In the early hours of morning, a drunken Annie is driving, hits a pedestrian and keeps on driving.
