season one

The first season of The O.C. premiered on August 5, 2003 in the United States, featuring a total of 27 episodes. The premiere shows a new life for Ryan Atwood, a 16 year old living in Chino, the Cohens and the Coopers, and everyone else in the wealthy, picturesque, secretive, turbulent community of Orange County, California. Faced with the prospect of life in a group home, Ryan decides to run away from Newport, but Seth and Marissa convince him to stay. During the season, Ryan and Marissa develop a relationship, Seth and Summer fall in love even with a confusing love triangle with those two and Anna and Jimmy lands in financial trouble, so Julie leaves Jimmy. Luke has an affair with Julie. Near the end of the season, Julie and Caleb get married. Ryan discovers that he may be the father of the unborn child of his ex-girlfriend, Theresa, and decides to leave the Cohen family and his current girlfriend, Marissa, to support her through her pregnancy. Upon finding out that Ryan is moving back to Chino with Theresa, Seth sails away in his boat, leaving farewell notes for his parents and Summer.


season 2

The second season began on November 4, 2004 in the United States. It featured a total of 24 episodes. At the start of the season, it is revealed that Seth ran away to Portland, Oregon, where he has been staying with Luke and Luke's father. Ryan has spent the summer in Chino, living with Theresa Diaz and her mother, and working on a construction site. Realising he would be happier back in Orange County with the Cohens, Theresa tells Ryan that she lost the baby. This prompts Ryan and Seth to return to Newport, where Seth ends up working under Alex at the Bait Shop. They have a brief relationship, but Alex, revealed to be bisexual, starts dating Marissa. Also, Ryan starts a relationship with Lindsay, a new girl at school. Their relationship flounders when Newport finds out that she is the love child of Caleb and half-sister to Kirsten. After Lindsay and her mother move to Chicago, Ryan's brother Trey is released from prison. As he has nowhere else to go, the Cohens invite him to stay with them while he gets his life in order. However, he soon gets into trouble with drugs, and while high, attempts to rape Marissa. Meanwhile, Kirsten begins drinking heavily, a problem that is further aggravated after her father dies of a heart attack. As the season ends, the Cohens and Ryan stage an intervention and Kirsten leaves for rehab. Ryan then discovers his brother's attempted rape of Marissa, and confronts Trey. The two fight and Trey is about to kill Ryan when Marissa arrives and shoots Trey to save Ryan

season 3

The third season began on September 8, 2005 in the United States and featured a total of 25 episodes. The season begins with Kirsten still in rehab and Trey in a coma. Trey eventually comes out of his coma and, after Julie Cooper briefly attempts to blackmail him into blaming Ryan for the shooting, he leaves town. Marissa escapes charges over the shooting, but is expelled from Harbor and is forced to attend Newport Union, a nearby public school. There she meets Johnny, a surfer and his sidekick Chilli. Johnny falls in love with Marissa, and she eventually has to choose between him and Ryan. After choosing Ryan, a drunk Johnny falls to his death from a cliff on the beach. Marissa is re-admitted to Harbor after her friends stage a campaign, with the assistance of Marissa's former rival Taylor Townsend. Seth and Summer continue their relationship even with some spped-bumps like Seth doing pot and skipping his collage interview, also running into Anna at Brown University left Summer with the wrong illision before Prom, but eventully go back the way things were. Unable to come to terms with Johnny's death, Marissa becomes involved with Volchok. another surfer with a "bad boy" reputation. However, she catches him cheating on her during prom and ends their relationship. In the third season fin