We're Not In Kansas Anymore Harry Wilson, new principal of West Beverly Hills High School, returns from Kansas to his childhood home of Beverly Hills with his wife Debbie, their daughter Annie and adopted son Dixon, to care for Harrys mother, former television star Tabitha Wilson. On their first day at West Bev, Annie and Dixon encounter Ethan, the star lacrosse player she met a few summers ago; Naomi, the spoiled rich girl whose sole focus is her Sweet Sixteen party; Silver, the free-spirited girl who later gossips about Annie on her blog, and Navid, editor of Blaze News. When Naomi fails to complete an assignment, English teacher Ryan Matthews and guidance counselor Kelly Taylor, bring the problem to Harry, who quickly realizes that keeping secrets about his past is going to be impossible.
The Jet Set Dixon impresses his peers when he tries out for the lacrosse team, but has to deal with jealous teammates who will stop at nothing to sabotage him. Annie misses the deadline to audition for the spring musical but sparks fly when she meets the leading actor Ty, one of the most popular students on campus. Ty impresses Annie by flying her to San Francisco for dinner in his private jet, but Annie fails to mention her plans to her parents.
Lucky Strike Annie and Dixon's Friday night plans come to a screeching halt when they learn that Harry and Debbie have planned a family bowling night. When Ethan, Navid and Silver show up at the bowling alley, Harry and Debbie realize they have lost control of their family outing but encourage their kids to spend time with their friends. Ty shows up at the bowling alley, causing Annie to choose between spending time with him or Ethan. Naomi deals with a disappointing evening with her father and destroys a gift from him in a violent rage. Dixon discovers Silver asleep in her car, prompting Kelly to confront their mother Jackie about the repercussions of her alcoholic behavior.
The Bubble Harry reveals that West Beverly's theater director is no longer able to direct the school musical, "Spring Awakening," prompting Tabitha to offer her services as the new director, much to Annie, Harry and Debbie's surprise. Tabitha's approach with Adrianna doesn't go over well, so Kelly convinces Brenda to take over as guest director of the play. Kelly and Brenda get into a heated conversation about Kelly's involvement with Ryan and how it may affect her son. Dixon is worried about the family's financial situation and talks with Nat at the Peach Pit about a part-time job. Naomi confronts her father's mistress and is shocked when she learns the direction in which her parents' marriage is headed. Annie is still upset with Ty and agrees to a date with Ethan, only to be disappointed by its outcome.
Wide Awake And Dreaming 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.
Model Behavior Brenda, Kelly, Ryan and Harry confront Adrianna about her growing problems, but Adrianna denies being on drugs. When Debbie is given the opportunity to shoot a fashion show for Nylon magazine, Annie decides to use the fashion show as part of her class assignment on careers. Ryan asks Annie to partner with Adrianna on the assignment, and Annie reluctantly agrees, even though she is still upset with Adrianna over her relationship with Ty. Naomi decides that the fashion show is the perfect place to bring her parents back together, but her plan backfires when her parents have a huge fight. Silver catches the attention of the Debbie's client at the fashion show. Also at the show, when an indie film producer remembers seeing Annie in "Spring Awakening" and offers her an audition, Annie convinces him to include Adrianna. Feeling guilty after Annie's nice gesture, Adrianna admits that she lied about her relationship with Ty. Kelly gets a call from an old friend that makes her question her relationship with Ryan. Finally, Naomi and Ethan come to a crossroads in their relationship.
Hollywood Forever Annie and Ethan are paired up to take care of a baby as part of a class project and the experience causes them to see each other in a new light. Silver and Dixon continue to get closer and during her half-birthday party at the Hollywood Forever Cemetary, she opens him up to an entirely new experience in public. Harry and Debbie are forced to deal with his past when Tracy informs Harry that she hired a private investigator to search for their son, who was given up for adoption many years ago. Naomi is desperate to intervene with Adrianna's downward drug spiral but regrets making one last-minute decision. Ryan is dealing with Kelly's departure and decides to try online dating in an effort to hide his true feelings about her absence.
There's No Place Like Homecoming Annie prepares for her driver's test and works out a plan with Ethan so they can attend the Homecoming dance without officially making it a date. Adrianna confesses about her drug use, effectively clearing Naomi's name, and is forced to check into rehab for her addiction. With no one left to turn to, Adrianna finds Navid by her side, determined to help her through her pain. At the dance, Ryan catches Kimberly buying drugs from a student but is even more surprised to learn that she is an undercover cop. After a conversation with Tabitha, Debbie confronts Tracy about her inappropriate behavior towards Harry, and despite her root canal pain, Silver and Dixon dance the night away.
Secrets And Lies Harry and Debbie inform Annie and Dixon about Harry's son that was given up for adoption nearly 22 years ago. While Dixon doesn't seem bothered by the information, Annie releases her frustration and anger at a sleepover with Naomi, Silver and Adrianna. The sleepover quickly turns into a house party with guys and drinking games. Meanwhile, Annie and Ethan decide to hide their relationship from their friends and Dixon opens up to Silver about his latest family issues. Adrianna and Navid continue to get close until she misunderstands his intentions. Now that Ryan is in on Kimberly's secret, the two can no longer control their desire for each other but are oblivious when a student observes their actions.
Games People Play Upon seeing Annie and Ethan kissing, Naomi decides to take matters into her own hands to get back at Annie for her deceit. The students are in shock about the news that Ryan hooked up with one of the students, Kimberly, and that he has taken a leave of absence. Kelly returns from her trip to visit Dylan and confronts Ryan about the allegations. Harry and Debbie throw a party for Annie's sixteenth birthday, and everyone except Naomi is surprised when someone from Annie's past shows up. Annie and Naomi get into a screaming argument about their alleged backstabbing. After having dinner with Navid and his family, Adrianna learns that Navid is a virgin.
That Which We Destroy Still in shock from the surprise arrival of their half-brother, Sean, Annie and Naomi put their arguing aside long enough to process the news. Harry and Debbie also deal with Sean's arrival by welcoming him into their home. Kelly offers Naomi and Annie advice about not letting Ethan get in the way of their friendship, while the gap between Brenda and Kelly widens. Naomi broadens her friendship base and begins hanging out with a new group of girls but is confronted by Annie in a lunch-room showdown. Silver is threatened by Christina, a cheerleader for the lacrosse team, when she shows too much interest in Dixon. Meanwhile, Dixon is dealing with the arrival of Sean and how it will potentially affect his family.
Hello, Goodbye, Amen When Debbie, Harry, Annie, Dixon and Sean spend the evening playing games, Annie overhears a phone call with Sean that raises suspicion. Adrianna invites Brenda to attend a support day at her rehab center, but the day quickly turns upside down when Adrianna learns information that will cause her life to change forever. Brenda and Kelly stand by Adrianna's side and Brenda reveals a secret she has been hiding from Kelly. Dixon and Christina's friendship continues to grow when she invites him over to her house, an invitation he hides from Silver.
Love Me Or Leave Me When it comes to parenting, Debbie and Tabitha don't see eye-to-eye and their personalities continue to clash when Tabitha surprises Annie and Dixon with a new car. Ethan and Annie sneak away to Tabitha's house in Palm Springs for some alone time and take full advantage of being on their own. Adrianna opens up to Naomi about her secret and they immediately become friends again but Navid isn't quite sure how to handle the news. Silver and Dixon hit the beach for a day in the sun and decide to make a sand castle but don't anticipate the tsunami headed their way when Dixon reveals three little words.
By Accident Adrianna makes a revelation; Annie is surprised to learn that Ty will also be auditioning for the new school play; Ryan has an unpleasant encounter with Kelly and Silver; Dixon asks Debbie for relationship advice.
Help Me, Rhonda Adrianna reveals her pregnancy to the baby's father and is shocked by his parents' handling of the situation. Naomi stands by Adrianna's side while they devise a plan to break the pregnancy news to Adrianna's mother, Constance. Annie and Ethan are still shaken from his accident but their relationship becomes strained when he starts spending a lot of time with Rhonda. Silver confronts Dixon and tells him the words he has been longing to hear.
Of Heartbreaks And Hotels Naomi, comfortable with her new living situation, is immediately taken by Liam, a hot bartender at her hotel. Sparks begin to fly between the two but Naomi is confused by the mystery that surrounds Liam. Silver gets extremely upset when her surprise Valentine's Day dinner for Dixon doesn't go as planned, but the two find a way to make the date a moment to remember. Annie becomes increasingly jealous of Ethan and Rhonda's close connection and takes advantage of information about Rhonda's past in order to benefit herself, causing Ethan to confront her about her terrible actions. Adrianna doesn't have a date for the dance and decides to spend the night loading up on chocolate, until she hears a surprise knock on her door.
Life's A Drag In an attempt to get close to Liam, Naomi offers to be his math tutor, but she gets more than she bargains for when he takes her out for a wild night. Silver takes a class assignment a little too far when she creates a video that documents her love for Dixon. When Silver screens the video for her fellow students, everyone, including Ryan, is shocked when they see Dixon and Silver in an intimate situation. Upon seeing the reaction of everyone around her, Silver blames Ryan for the situation. Ethan and Annie's relationship remains rocky but more problems arise when Adrianna reveals that Rhonda and Ethan shared a kiss at the dance. Harry and Debbie are surprised to learn that Annie quit the school play in order to spend more time with Ethan.
Off The Rails Ryan attempts to calm Silver down after reactions to her video, but she disappears before he can help. Dixon reveals the situation to Debbie and Harry, who are shocked at the details and confront him about not seeking their help sooner about Silver's behavior. Kelly and Ryan search the streets and show up at Jackie's home looking for Silver, but the visit proves pointless when harsh words are exchanged. Adrianna is unsure how to care for a child but when she and Navid offer to babysit for Kelly, but the two prove to be better at the situation than they thought. Kelly and her friends fear the worst and search for her, not knowing where she is or what is causing her emotional behavior.
Okaeri, Donna! Kelly and Silver are surprised when Donna shows up at their door, straight off a plane from Japan. Annie and Dixon decide to spend their spring break on a road trip to visit someone from Dixon's past, while Ethan decides to step out of his bubble and volunteer with Habitat for Humanity. Naomi joins the Habitat build after learning that Liam is also attending, but is clearly out of her comfort zone. While Kelly and Donna are dining on sushi, Diablo Cody convinces Donna to design a dress for her for a red carpet event.
Between A Sign And A Hard Place Harry and Debbie have finally sold their home in Kansas and prepare for a Beverly Hills-style yard sale. Donna reveals details of her separation to Kelly, and the two search for locations so Donna can open a clothing store in Beverly Hills. Silver and Dixon continue to deal with her recovery, while Liam and Ethan's unlikely friendship continues to develop. Naomi and Annie mend their broken friendship but when a scandal involving Naomi's dad erupts, Naomi's trust in Annie disappears. As Adrianna nears her due date, she and Navid interview prospective adoptive parents.
The Dionysian Debacle Navid and Adrianna fantasize about their future, but when they tell his parents about their decision to spend the rest of their lives together, things don't go as they planned. Silver and Dixon adjust to her new school, while the Wilsons are dealing with having Naomi as their new house guest. Naomi convinces Annie to go on a double date with Liam's friend, but Annie is shocked at the way the evening ends. When her older sister, Jen shows up, Naomi has no idea she is about to shake things up in Beverly Hills.
The Party's Over Adrianna and Navid announce plans for their future to their friends but don't receive the reaction they were hoping for. To support their friends, Naomi, Annie and Silver throw Adrianna a bridal shower, while Dixon, Ethan and Liam surprise Navid with a bachelor party at a burlesque club. Now that Naomi's big sister, Jen is back in town, the two decide to live together and turn to their scandalous father to release Naomi's trust fund in order to support their wild spending habits. Ryan and Jen bump into each other at the Peach Pit and get wrapped up in a conversation of lies before deciding to have dinner together.
Zero Tolerance West Bev's Hollywood-themed prom is full of surprises, but first Harry warns his students that any non-school sponsored parties after the prom will be met with serious consequences. Naomi learns that Jen has maxed out her credit card to furnish their new home, but soon forgets her problems when Liam asks her to the prom. Meanwhile, Liam continues to count down the moments until Annie shows her true colors, but to prove him wrong, she accepts theater-geek Charlie's invitation to the dance. Kelly attempts to warn Ryan about Jen's devious personality, which he interprets as Kelly's jealousy. Navid confronts Ty during a fight about abandoning his soon-to-be child with Adrianna), but rushes to Adrianna's side when she goes into labor. Dixon is surprised to learn he's nominated for Prom King, and Silver is even more surprised when she has the opportunity to speak her mind in front of her peers.
One Party Can Ruin Your Whole Summer Adrianna and Navid spend their prom night in the delivery room and Brenda shows up to offer support. Naomi and Liam have revealed their honest feelings for each other and she decides to host an after-prom party at her new house, much to Jen's disapproval. Showing up late, Naomi searches for Liam but is speechless when she finds him finishing up some business in her bedroom. A furious Naomi confronts and accuses Annie of sleeping with Liam, causing Annie to finally snap at Naomi and all the party-goers before leaving the party in a rage and doing something that will haunt her for the rest of her life. Dixon and Ethan get into a fight when Dixon accuses Ethan of having feelings for Silver. Harry and Debbie chaperone the after-prom party but leave early to lend their support to Adrianna at the hospital, along with Kelly.