The O.C. - S1E15

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The Third Wheel

Series 1, episode 15

Written by Melissa Rosenberg

Directed by Sandy Smolan

Originally Aired On: Wednesday, 07 January 2004

Kirsten's unemployed sister, Hailey, moves in with the Cohens and disrupts the entire family when she behaves like the houseguest from Hell. Hailey eats her way through the refrigerator, controls the television, is disrespectful to Kirsten and shows no signs of leaving. Desperate for some time alone with his wife, Sandy urges Kirsten to resolve the problem with her sister. Meanwhile, Seth and Anna struggle to tell Summer the truth that they are now a couple. Ryan feels jealous about Marissa's new friend, Oliver, a neglected, drug-abusing teenager she met in therapy who always seems to show up when Ryan wants some privacy with Marissa. Later, Ryan helps Oliver by asking Sandy to intervene when Oliver is arrested for trying to buy drugs from an undercover cop.

Cast

Image for Peter GallagherPeter GallagherSandy Cohen
Image for Kelly RowanKelly RowanKirsten Cohen
Image for Benjamin McKenzieBenjamin McKenzieRyan Atwood
Image for Mischa BartonMischa BartonMarissa Cooper
Image for Adam BrodyAdam BrodySeth Cohen
Image for Chris CarmackChris CarmackLuke Ward
Image for Melinda ClarkeMelinda ClarkeJulie Cooper-Nichol
Image for Rachel BilsonRachel BilsonSummer Roberts
Image for Alan DaleAlan DaleCaleb Nichol
Image for Tate DonovanTate DonovanJimmy Cooper
Image for Samaire ArmstrongSamaire ArmstrongAnna Stern
Luke BugenhagenPassing Kid
Ray ConchadoBouncer
Taylor HandleyOliver Trask
Antonio LeonUndercover Cop
Megan LinderPaula
Amanda RighettiHailey Nichol
RooneyThemselves
Robert SchwartzmanHimself
Craig WarnerBartender