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... Full summary

Adrianna tells the baby's father and her mother (Maeve Quinlan) that she is pregnant. Meanwhile, Annie feels threatened by Ethan's friendship with Rhonda (Aimee Teegarden); and Silver... Full summary

Adrianna turns to Naomi and Kelly for support and tells them the identity of her baby's father; Ty auditions for the new play, much to the surprise of Annie and Ethan; and Ryan returns... Full summary

Tabitha gives Annie and Dixon a new car without consulting their mom; Annie and Ethan sneak off to Palm Springs; Adrianna shares her secret with Naomi; and Dixon surprises Silver during... Full summary

Annie grows suspicious of new brother Sean (Josh Henderson) after overhearing him on the phone; Brenda (Shannen Doherty) reveals a long-held secret to Kelly; and Dixon accepts an... Full summary

With their half brother, Sean (Josh Henderson), in town, Annie and Naomi call a truce to deal with his unexpected presence. Meanwhile, Silver isn't happy about the interest a... Full summary

As Annie and Ethan get closer, Naomi grows spiteful and delivers an unwelcome surprise at Annie's sweet-16 party. Meanwhile, the school is abuzz with news of Ryan's leave of absence,... Full summary

Annie and Dixon have opposite reactions to Harry's news about the son he put up for adoption years ago. An angry Annie lets loose at a sleepover that quickly turns into a drunken house... Full summary

Annie sets up a non-date with Ethan for the homecoming dance; Naomi's name is cleared when Adrianna owns up about her drug addiction; Ryan discovers his new student is a narc after he... Full summary

Naomi makes a regretful choice regarding Adrianna's out-of-control drug use; Annie and Ethan care for a baby for a class assignment; and Dixon and Silver's friendship deepens.... Full summary