The O.C.

The lives of a group of friends and families have forever been changed by the arrival of an outsider to their affluent ocean-side community of Newport Beach in Orange County, California. When Ryan Atwood (series star BEN McKENZIE) was taken in from the streets of Chino by then public defender Sandy Cohen (series star PETER GALLAGHER), the Cohens had no idea how Ryan's arrival would change their...

Chaos reigns in the Cohen kitchen as Sandy, Ryan and Seth continue to cope with Kirsten's rehab. When Sandy encourages Kirsten to come home to her family, Kirsten's attachment to Charlotte (recurring guest star JERI RYAN) raises concern in Sandy. Meanwhile, at The Harbor School, Dean Hess (recurring guest star ERIC MABIUS - "Eyes"), the new Dean of Discipline, arrives and makes a decision that ...

Although they are finally happy with each other, Marissa and Ryan are forced to stay apart by their parents, Julie and Sandy. Dean Hess (recurring guest star ERIC MABIUS) pressures Seth and Summer into showing Harbor school spirit, which leads them to devise a covert plan to bring Marissa and Ryan together. When the scheme works, Marissa and Ryan have a night to remember, and Seth and Summer ge...

Marissa adjusts to life in her new surroundings and makes some new friends at Newport Union, while Ryan wonders how their separation will affect their relationship. Seth's feud with Dean Hess (recurring guest star ERIC MABIUS) lands Summer in trouble, but some startling new information about Taylor (recurring guest star AUTUMN REESER) may turn the tables once more. Kirsten's friend Charlotte (r...

Ryan makes a life-changing decision that Sandy surprisingly supports, and Marissa turns to her new public school friends for help with Ryan. The Harbor School's Dean of Discipline, Dean Hess (recurring guest star ERIC MABIUS), continues his crusade to ruin Ryan's future, and Summer and Seth go on their own crusade to reveal Dean Hess's secret. Meanwhile, Charlotte (recurring guest star JERI RYA...

Taylor (recurring guest star AUTUMN REESER) ruins Seth's night when she throws a Harbor School event that keeps Summer at a distance. Marissa's new friendships at public school worry Summer, and she enlists Ryan's help. Meanwhile, Sandy works on a plan for the Newport Group and forms a new partnership. And Charlotte (recurring guest star JERI RYAN) convinces Julie and Kirsten to edge back into ...

When the gang heads to The Bait Shop to see the British rock band THE SUBWAYS (themselves), Taylor's behavior causes a major rift between Seth and Summer. Determined to end the potentially explosive conflict between Ryan and Kevin Volchok (recurring guest star CAM GIGANDET), Marissa watches out for Ryan. Meanwhile, Matt (recurring guest star JEFF HEPHNER), Sandy's Newport Group partner, goes ab...

As seniors at Harbor School and Newport Union prepare their college applications, Ryan, Seth, Summer and Marissa decide what to do about their futures. Will they go to college? Unable to make a decision, Marissa attends Johnny's (recurring guest star RYAN DONOWHO) surf competition instead of completing her college application. Meanwhile, Julie is forced to return to her roots, and Kirsten, eage...

Ryan takes an internship working for Sandy and Matt (recurring guest star JEFF HEPHNER) at the Newport Group, but he ends up working harder to save Matt's reputation. Determined to get accepted to Brown University, Summer and Seth do whatever it takes to stand out at Harbor School. Johnny (recurring guest star RYAN DONOWHO) finally tells Marissa how he really feels about her. After a stressful ...

After the teens spend hours picking out the perfect Christmas trees, they devise a special plan to help a friend in need. Meanwhile, missing her mom, Summer feels even more somber during this holiday, and Johnny's (recurring guest star RYAN DONOWHO) sudden misfortune forces him to take matters into his own hands. Kirsten tries to put the past behind her and make amends with Julie. Reminiscing S...

Summer, Seth and Ryan launch a campaign to get Marissa back into The Harbor School, and Johnny (recurring guest star RYAN DONOWHO) struggles between a friend's happiness and his own feelings. Meanwhile, Sandy must make an ethical decision that could change Marissa's fate, and Summer's father, Dr. Neil Roberts (recurring guest star MICHAEL NOURI), and Julie are apprehensive about admitting to th...

Fourteen-year-old Kaitlin Cooper (recurring guest star WILLA HOLLAND) returns to Orange County during her winter break from an exclusive Montecito boarding school--bringing a lot of attitude and a few secrets. Much more in the mold of her mother, Julie, than her sister, Marissa, Kaitlin turns heads as she tries to get closer to her family in the only way she knows how.

While Marissa does all she can to get to know her sister again, Kaitlin (recurring guest star WILLA HOLLAND) just stirs up trouble for the gang as she prepares to celebrate her birthday. Meanwhile, Sandy encourages Seth about college, but Seth finds a better alternative. Sandy and Matt (recurring guest star JEFF HEPHNER) work together to secure a contract for the new hospital. And Julie continu...

Summer discovers the truth about Seth. Sandy and Matt (recurring guest star JEFF HEPHNER) encounter an obstacle to their hospital project. Kirsten and Julie take their matchmaking business a little too far, causing Julie to go into hiding. Marissa finally tells Johnny (recurring guest star RYAN DONOWHO) how she truly feels. And Kaitlin (recurring guest star WILLA HOLLAND) wonders which Cooper J...

Tragic news forces the friends to sort out their problems and face the reality of the situation. After Johnny's cousin, Sadie Campbell (recurring guest star NIKKI REED), arrives in Newport, Ryan helps her move and get rid of Volchok (recurring guest star CAM GIGANDET), causing Ryan to question his and Marissa's relationship. Meanwhile, Kaitlin's (recurring guest star WILLA HOLLAND) winter break...

Sadie (recurring guest star NIKKI REED) and Ryan go on a road trip to find one of Johnny's relatives. Although Ryan returns to his old "Chino" ways, the trip brings him and Sadie closer. Could this mean the end of Ryan and Marissa's relationship? Meanwhile, Marissa is implicated in Johnny's death, and Seth and Summer discover Julie and Dr. Roberts' (recurring guest star MICHAEL NOURI) secret. M...

Ryan struggles with the decision of whether or not to invite Marissa to his birthday party, and Sandy wants to include one of Ryan's relatives in the celebration. Meanwhile, Julie and Dr. Roberts (recurring guest star MICHAEL NOURI) come clean with Summer and Marissa. Also, Ryan and Sadie (recurring guest star NIKKI REED), along with fellow new couple Marissa and Volchok (recurring guest star C...

When an old nemesis returns to Newport, Ryan gets caught up in helping her, causing a rift between him and Sadie (recurring guest star NIKKI REED). Seth and Summer are faced with a new problem that Taylor (recurring guest star AUTUMN REESER) tries to solve. Meanwhile, Marissa finds herself all alone in Newport with no one to turn to, and Sandy grapples with business pressure.

Julie and Dr. Roberts (recurring guest star MICHAEL NOURI) announce their engagement, and the Cooper ladies move in with Summer and her dad. Meanwhile, Marissa drifts away from Summer and the group when she seeks solace in the company of bad boy Volchok (recurring guest star CAM GIGANDET) and his crew. Ryan tries to move on with Sadie (recurring guest star NIKKI REED), but Seth's concern for Ma...

The kids receive their college acceptance and rejection letters, forcing them to make some life-altering decisions. Ryan and Sadie (recurring guest star NIKKI REED) try to decide what do after high school, and their decision concerns Sandy and Kirsten. Taylor (recurring guest star AUTUMN REESER) throws a college sweatshirt party at Harbor High School, and Marissa and Summer patch up their frien...

Ryan leaves Newport to visit his mom, but before they meet, he has a steamy encounter with her co-worker. Meanwhile, Seth is keeping secrets, and Taylor (recurring guest star AUTUMN REESER) and Summer devise a foolproof plan to figure out what's going on with him. When their plan backfires, Summer is devastated. Julie Cooper visits a surprised Volchok (recurring guest star CAM GIGANDET) and giv...

With graduation just weeks away, Ryan, Seth, Summer and Marissa leave Newport to attend their respective pre-freshman orientations at Berkeley and Brown. While dropping the boys off at the airport, Kirsten is surprised to see Theresa (recurring guest star NAVI RAWAT) and her familiar-looking baby boy. At Brown, Seth runs into Anna (recurring guest star SAMAIRE ARMSTRONG), and they instantly con...

Harbor School's senior prom brings out the best and the worst in everyone. Taylor (recurring guest star AUTUMN REESER) has a great time, while Summer doesn't enjoy herself with her surprising prom date. Seth and Anna (recurring guest star SAMAIRE ARMSTRONG) come up with a plan to win Summer back for Seth. Meanwhile, Marissa convinces Volchok (recurring guest star CAM GIGANDET) to go to the prom...

Dealing with the repercussions from prom night, Ryan must make a deal with Volchok (recurring guest star CAM GIGANDET). Meanwhile, although Sandy is named Man of the Year by a magazine, the district attorney continues to investigate his unique involvement with the new hospital. After she receives a call for help from Kaitlin (recurring guest star WILLA HOLLAND), Marissa visits her little sister...