Full Series Series 4
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1. The Avengers
Ryan has moved out of the Cohen house and is trying to deal with Marissa's death.
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2. The Gringos
Ryan travels to Mexico to put an end to his turmoil in the only way he knows how.
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3. The Cold Turkey
It's Thanksgiving and the Cohen family is still dealing with what happened in Mexico.
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4. The Metamorphosis
Summer tries to become the girl she once was but realises that Brown may have changed.
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5. The Sleeping Beauty
Summer and Che take activism to a new level, resulting in more freedom than expected.
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6. The Summer Bummer
When Seth visits Summer at Brown, he finds an empty dorm room.
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7. The Chrismukk-huh?
Drama following the lives of wealthy, upper-class people in Orange County, California.
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8. The Earth Girls Are Easy
As the new year approaches, Ryan plans a special surprise road trip for Taylor.
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9. The My Two Dads
Newly engaged Seth and Summer both panic about the prospect of being married.
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10. The French Connection
Taylor's ex-husband gets a little too close to home while promoting his erotic memoirs.
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11. The Dream Lover
Seth and Summer finally speak for the first time since she rejected his marriage proposal.
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12. The Groundhog Day
Julie is having a secret love affair and Kaitlin is doing everything she can to stop it.
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13. The Case of the Franks
Ryan worries that the pressure of the holiday will ruin his relationship with Taylor.
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14. The Shake Up
Taylor frets over the fact that Ryan has still not told her he loves her.
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15. The Night Moves
In the aftermath of a major earthquake, Seth must take over Ryan's role as the protector.
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16. The End Isn't Near, It's Here
Ryan, his family and friends face major decisions and undergo personal transformations.
Full Series Series 3
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1. The Aftermath
US teen drama series. Ryan's brother Trey remains in a coma two months after the shooting.
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2. The Shape of Things to Come
US teen drama series. Sandy encourages Kirsten to come home from rehab.
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3. The End of Innocence
US teen drama series. Dean Hess puts pressure on Seth and Summer to show team spirit.
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4. The Last Waltz
US teen drama series. Marissa settles into her new life but quickly arouses Ryan's envy.
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5. The Perfect Storm
Ryan makes a life-changing decision with Sandy's support.
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6. The Swells
Taylor ruins Seth's night by keeping Summer away.
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7. The Anger Management
Taylor causes a major rift between Seth and Summer.
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8. The Game Plan
The friends plan their futures. Julie returns to her roots.
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9. The Disconnect
Ryan works for Sandy. Johnny tells Marissa how he feels.
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10. The Chrismukkah Bar Mitz-vahkkah
Kirsten makes amends with Julie. Seth invents a holiday.
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11. The Safe Harbor
The friends try to get Marissa back into their school.
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12. The Sister Act
The clan tries to re-create a perfect East Coast Christmas.
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13. The Pot Stirrer
Kaitlin causes trouble as she celebrates her birthday.
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14. The Cliffhanger
Kirsten and Julie take their matchmaking business too far.
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15. The Heavy Lifting
Tragedy strikes the friends. Johnny's cousin arrives.
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16. The Road Warrior
Sadie and Ryan take a trip. Ryan returns to his old ways.
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17. The Journey
Ryan tries to decide whom to invite to his birthday party.
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18. The Undertow
Ryan's nemesis returns. Sandy experiences business pressure.
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19. The Secrets and Lies
Marissa seeks solace with bad boy Volchok and his crew.
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20. The Day After Tomorrow
The kids receive their college acceptance/rejection letters.
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21. The Dawn Patrol
Ryan visits his mom. Julie gives Volchok stern advice.
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22. The College Try
The friends go to college orientations. Seth sees Anna.
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23. The Party Favor
Senior prom brings out the best and the worst in everyone.
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24. The Man of the Year
Marissa visits Kaitlin at boarding school.
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25. The Graduates
The end of senior year brings excitement and drama.
Full Series Series 2
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1. The Distance
US teen drama series. Ryan starts working in construction to provide for Theresa.
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2. The Way We Were
US teen drama series. Seth and Ryan hope to win back the interest of Summer and Marissa.
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3. The New Kids on the Block
US teen drama series. Seth gets some help to prove that his friends don't really know him.
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4. The New Era
US teen drama series. Seth and Sandy embark on new eras in their lives.
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5. The SnO.C.
US teen drama series. Seth, Ryan, Summer and Marissa attend the annual SnO.C. Winter Ball.
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6. The Chrismukkah That Almost Wasn't
US teen drama series. The whole gang is invited to Chrismukkah at the Cohens' house.
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7. The Family Ties
US teen drama series. Ryan tries to come to terms with his feelings for Lindsay.
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8. The Power of Love
US teen drama series. Lindsay and Ryan grapple with their new relationship.
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9. The Ex-Factor
US teen drama series. It's girls against boys as two very different nights are planned.
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10. The Accomplice
US teen drama series. Seth and Zach decide to create a comic book based on their lives.
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11. The Second Chance
US teen drama series. Summer decides to take an active role in Seth and Zack's comic book.
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12. The Lonely Hearts Club
US teen drama series. Sandy tries to make amends with Kirsten about Rebecca's return.
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13. The Father Knows Best
US teen drama series. Kirsten grows impatient with Sandy and decides to visit Rebecca.
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14. The Rainy Day Women
US teen drama series. On a rainy day, Marissa tells Julie that she and Alex are dating.
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15. The Mallpisode
US teen drama series. A weary Marissa joins Summer, Seth and Ryan at the mall.
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16. The Blaze of Glory
US teen drama series. Seth is determined to bring back the spirit and fun times of old.
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17. The Brothers Grim
US teen drama series. Ryan worries when someone from his past comes for a visit.
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18. The Risky Business
US teen drama series. Sandy becomes the honorary chairman of the local charity yard sale.
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19. The Rager
US teen drama series. Marissa hosts a raging birthday party for Trey at Caleb's mansion.
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20. The O.C. Confidential
US teen drama series. Sandy, Seth and Ryan scheme to save another Atwood from prison.
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21. The Return of the Nana
US teen drama series. Sandy, Seth and Ryan travel to Florida to visit Seth's nana Sophie.
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22. The Showdown
US teen drama series. Sandy confronts Kirsten over what she's been drinking for breakfast.
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23. The O.Sea
US teen drama series. Sandy and Caleb confront Kirsten about her recent behaviour.
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24. The Dearly Beloved
US teen drama series. Sandy must make a life-changing decision to save his marriage.
Full Series Series 1
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1. Pilot
The very first episode of the US teen drama series about Orange County, California.
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2. The Model Home
US teen drama series. Ryan decides to run away rather than face life in a care home.
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3. The Gamble
US teen drama series. Sandy visits Ryan in prison and reveals that he is not being freed.
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4. The Debut
US teen drama series. The Cohens become Ryan's legal guardians and buy him a tuxedo.
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5. The Outsider
US teen drama series. Ryan befriends a teenage waiter at a seafood restaurant.
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6. The Girlfriend
US teen drama series. Kirsten decides to throw an elaborate birthday party for her father.
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7. The Escape
US teen drama series. The Newport kids prepare for an end-of-summer trip down to Mexico.
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8. The Rescue
US teen drama series. Summer and Seth persuade Ryan to help get Marissa out of hospital.
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9. The Heights
US teen drama series. Summer becomes jealous as Seth's relationship with Anna flourishes.
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10. The Perfect Couple
US teen drama series. Summer tries to suppress her feelings for Seth.
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11. The Homecoming
US teen drama series. Ryan sets out to visit his brother Trey in prison with Marissa.
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12. The Secret
US teen drama series. Seth tries to make amends with Anna and Summer.
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13. The Best Chrismukkah Ever
US teen drama series. Preparations are afoot for a huge holiday party organised by Julie.
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14. The Countdown
US teen drama series. New Year's Eve festivities are interrupted by Kirsten's sister.
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15. The Third Wheel
US teen drama series. Kirsten's unemployed sister Hailey moves into the Cohen household.
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16. The Links
US teen drama series. Ryan, Seth, Marissa, Anna, Luke and Summer go to Palm Springs.
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17. The Rivals
US teen drama series. Sandy stands on the brink of signing papers for the Lighthouse.
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18. The Truth
US teen drama series. Caleb puts Kirsten in a difficult position over firing Julie.
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19. The Heartbreak
US teen drama series. Marissa tries to repair her relationship with Ryan.
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20. The Telenovela
US teen drama series. Ryan and Marissa struggle to come to terms with their true feelings.
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21. The Goodbye Girl
US teen drama series. Seth is saddened by the news that Anna is going back to Pittsburgh.
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22. The L.A.
US teen drama series. Summer and Marissa receive invitations to a soap actor's party.
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23. The Nana
US teen drama series. Nana Cohen arrives in California to celebrate Passover.
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24. The Proposal
US teen drama series. The opening night at the Lighthouse arrives but is scuppered.
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25. The Shower
US teen drama series. Kirsten and Marissa are put in charge of Julie's wedding shower.
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26. The Strip
US teen drama series. Caleb and the boys are tempted by the bright lights of Las Vegas.
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27. The Ties That Bind
US teen drama series. Julie and Caleb's big day arrives, but revelations threaten all.