Episode 215 - Things 1/6/2009 Edit details Castmates on castmates.

Episode 210 - To Thine Own Self Be True 11/17/2009 Edit details Harry and Debbie are surprised when Annie asks to invite Jasper over for dinner. All new Tuesday 8/7c.

Episode 208 - N.E.R.D. and Samantha Ronson 11/3/2009 Edit details N.E.R.D. and Samantha Ronson bring their beats to 90210.

Episode 207 - Unmasked 10/20/2009 Edit details Naomi vents to Adrianna about her love triangle with Richard and Jamie.

Episode 206 - Wild Alaskan Salmon 10/13/2009 Edit details Mark asks Annie out on a date, with Jasper watching from afar.

Episode 205 - Environmental Hazards 10/6/2009 Edit details Naomi tries a new look.

Episode 204 - The Porn King 9/23/2009 Edit details Sasha and Dixon's trip to Napa ends with a flat tire and a surprise in the trunk. Gia and Silver are set to interview the nephew of the man Annie ran over. Liam gets back at Jen, and Naomi finds out what really happened on prom night.

Episode 203 - Sit Down, You're Rocking the Boat 9/16/2009 Edit details Sasha and Dixon's trip to Napa ends with a flat tire and a surprise in the trunk. Gia and Silver are set to interview the nephew of the man Annie ran over. Liam gets back at Jen, and Naomi finds out what really happened on prom night.

Episode 201 - Clip 2 9/3/2009 Edit details Some new rules at the pool.

Episode 200 - Man Hands 8/12/2009 Edit details Meet the new guy.

Episode 10 - To Thine Own Self Be True 11/17/2009 Edit details Annie leaves Debbie and Harry surprised when she informs them that she would like to invite Jasper over for dinner. Dixon decides to pass on the event as a result of his anger over Debbie's management of the Sasha situation. Meanwhile, Kelly shows support

Episode 9 - A Trip to the Moon 11/11/2009 Edit details Dixon is determined to confront Sasha about her miscarriage, forcing Debbie and Harry to reveal that Sasha lied about being pregnant. Annie and Jasper profess their love for each other and decide to take their relationship to the next level.

Episode 8 - Women’s Intuition 11/3/2009 Edit details Navid and Gia (guest star Rumer Willis) launch an investigation into student drug use at West Beverly for Blaze News, which leads them to Annie’s boyfriend, Jasper, leaving Annie torn over who to believe.

Episode 6 - Wild Alaskan Salmon 10/13/2009 Edit details Only one episode of 90210 has hook-ups, breakups, shockers, stalkers and mockers! All new Tuesday 8/7c.

Episode 2 - To Sext or Not to Sext 9/15/2009 Edit details The rumor about the existence of a naked photo of Annie runs wild throughout the West Beverly Hills High community, causing further divide between Dixon and his sister. Despite his problems at home, Liam joins Teddy and Dixon in trying out for the surfing

Episode 1 - To New Beginnings 9/8/2009 Edit details After having spent most of their vacation time in summer school due to Annie's report of Naomi's party to the police, the gang decides to enjoy the last few days of the summer at the Beverly Hills Beach Club, where they meet new student Teddy.

Episode 210 - Rumor 9/9/2009 Edit details Rumer Willis guest stars.

Episode 122 - Three Episodes Remain 4/29/2009 Edit details Three episodes remain.

Episode 117 - Life's a Drag Trailer 8/5/2009 Edit details In her quest to be with Liam, Naomi lives life in the fast lane!

Episode 116 - Adam Gregory 2/6/2009 Edit details Adam Gregory discusses 90210 with CW Connect.

Episode 110 - Games People Play 7/29/2009 Edit details In a town full of surprises, expect the unexpected.

Episode 109 - Secrets and Lies 7/22/2009 Edit details It's not a party until someone crosses the line.

Episode 108 - There Is No Place Like Homecoming 7/15/2009 Edit details It's Homecoming, Beverly Hills style.

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Episode 107 - Hollywood Forever 7/8/2009 Edit details The richer they are, the harder they fall...

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Episode 106 - Model Behavior 7/1/2009 Edit details School nights are a little different in this zip code.

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Episode 100 - Changes 6/3/2009 Edit details You can't change Beverly Hills, Beverly Hills changes you...

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Episode 24 - One Party Can Ruin Your Whole Summer 5/19/2009 Edit details A post-prom party is being held at Naomi's home when she has a fit after walking in on Liam and Annie and makes accusations which has Annie at her breaking point.

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Episode 23 - Zero Tolerance 5/14/2009 Edit details 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.

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Episode 22 - The Party's Over 5/5/2009 Edit details Following their engagement, Navid and Adrianna celebrate their respective bachelor and bachelorette parties. While Adrianna feasts with friends and family at the Wilson home, Navid and the boys spend a wild night with college girls at a burlesque club.

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Episode 21 - The Dionysian Debacle 4/28/2009 Edit details Naomi's older sister, Jen, unexpectedly returns to Beverly Hills. Meanwhile, Naomi persuades Annie to go on a double date, and Adrianna and Navid reveal their decision to his parents.

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Episode 20 - Between a Sign and a Hard Place 4/21/2009 Edit details Donna faces a heartbreaking dilemma when she must choose between returning to her life with David in Japan, or moving back to Beverly Hills with their daughter, Ruby. Meanwhile, Silver's recent issues are the major topic of conversation at school, and Anni

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Episode 19 - Welcome Home, Donna! 4/14/2009 Edit details Silver and Kelly receive an unexpected visit from Donna. Meanwhile, Dixon locates his biological mother and enlists Annie's help to go visit her. Also, Naomi's infatuation with Liam gradually increases.

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Episode 18 - Off the Rails 4/7/2009 Edit details Silver, distraught from all the recent video commotion, disappears. Kelly enlists Ryan's help in finding her sister, but cannot seem to figure out why she is acting so emotionally. Meanwhile, Dixon breaks the video news to Debbie and Harry, and Navid and Adrianna get a preview of parenthood when they babysit Sammy.

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Episode 17 - Life's a Drag 3/31/2009 Edit details Liam displays his dark side to Naomi, who is stunned but captivated by the intense, handsome bad-boy. Meanwhile, Annie and Ethan face another bump in their relationship when Adrianna makes it known that Ethan and Rhonda shared a kiss, and Silver and Dixon.

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Episode 16 - Of Heartbreaks and Hotels 2/10/2009 Edit details 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.

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Episode 15 - Help Me, Rhonda 2/3/2009 Edit details 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 finally opens up to Dixon.

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Episode 14 - By Accident 1/20/2009 Edit details The return of Mr. Matthews causes a mixed reaction at West Beverly Hills High. Also, the drama department holds auditions for Antony and Cleopatra, and Annie decides to read for a role. Meanwhile, Silver and Dixon continue to experience bumps in their rela

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Episode 13 - Love Me or Leave Me 1/13/2009 Edit details Electrifying revelations stir up trouble this week as the teens of West Beverly come clean to each other. Adrianna reveals her secret to Naomi and Navid, who handle the news differently than expected. And when Dixon reveals the depths of his feelings...

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Episode 12 - Hello, Goodbye, Amen 1/6/2009 Edit details 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 invitation from Christina, but doesn't tell Silver.

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Episode 11 - That Which We Destroy 11/18/2008 Edit details 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.

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Episode 10 - Games People Play 11/11/2008 Edit details Kelly returns to Beverly Hills, revealing what happened between her and Dylan during her trip. Meanwhile, as Annie and Ethan get closer, Naomi grows spiteful and delivers an unwelcome surprise at Annie's sweet-16 party... and that's not the only surprise in store for the Wilson family. An unexpected visit from Harry's biological son, Sean, throws a wrench into their happy family dynamic. Meanwhile, the school is abuzz with news of Ryan's leave of absence, and Adrianna uncovers Navid's secret.

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Episode 9 - Secrets and Lies 11/4/2008 Edit details Silver invites a few of her female friends over for a girls' night, but the event quickly turns into a house party. Meanwhile, Debbie and Harry finally reveal to Dixon and Annie that they have an older brother who was given up for adoption long ago.

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Episode 8 - There’s No Place Like Homecoming 10/28/2008 Edit details 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

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Episode 7 - Hollywood Forever 10/7/2008 Edit details As Silver's "half birthday" approaches, she decides to spend a spooky evening watching movies with her friends at the famous Hollywood Forever Cemetery. Harry's past returns to haunt him when Tracy reveals she is searching for their son.

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Episode 6 - Model Behavior 9/30/2008 Edit details Debbie shoots a fashion show for Nylon Magazine. Naomi believes the upcoming fashion show could help her parents' marital mess, but it only makes matters worse.Ty and Annie's relationship is put to the test when Adrianna reveals a secret.Kelly receives a phone call that may change her relationship with Ryan

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Episode 5 - Wide Awake and Dreaming 9/23/2008 Edit details Ty reveals to Annie his plans for a one-on-one after party in his hotel room with her.Naomi won't accept her parents' divorce and Adrianna is confronted about a substance abuse problem, giving Annie the chance to play the lead in the musical.

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Episode 4 - The Bubble 9/16/2008 Edit details 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.

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Episode 3 - Lucky Strike 9/9/2008 Edit details Harry and Debbie plan a family bowling night, but find their plans interrupted by the unexpected arrival of Annie and Dixon's friends. Meanwhile, Naomi experiences a difficult evening with her father, and Kelly and Silver learn that Jackie's drinking is spiraling out of control.

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Episode 2 - The Jet Set 9/2/2008 Edit details Dixon must deal with jealous teammates on the lacrosse team and Annie is dumped by her boyfriend back home but soon meets a potential love interest.

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Episode 1 - We're Not in Kansas Anymore 9/2/2008 Edit details 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.

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