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

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

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.