Welcome to Orange County, home to the rich, the beautiful and plenty of drama. When a troubled teen arrives in the affluent community, the lives of its residents are transformed forever.
In the final episode, Ryan, the Cohens, the Coopers and their friends build new lives, face major decisions and undergo personal transformations
In the final series, Ryan, Seth and Summer find themselves set on different paths as they navigate both their grief and adulthood. When it all comes to an end, will they find happiness together again?
The Avengers: Ryan, Seth and Summer struggle to adjust to life without Marissa. Chris Pratt guest stars.
Series 4 Episode 1
The Gringos: Ryan travels to Mexico in a bitter quest for revenge
Series 4 Episode 2
The Cold Turkey: On Thanksgiving, the Cohen household deals with what went down in Mexico
Series 4 Episode 3
The Metamorphosis: Summer tries to recover her gossip-loving spirit. The Coopers try to stay out of trouble.
Series 4 Episode 4
The Sleeping Beauty: Summer and Che take their activism to a new level. Taylor tries to cure Ryan's insomnia.
Series 4 Episode 5
The Summer Bummer: Seth goes to visit Summer at college, but finds only an empty dorm room
Series 4 Episode 6
The Chrismukk-huh?: Ryan and Taylor have an accident and wake up in a parallel world
Series 4 Episode 7
The Earth Girls Are Easy: Seth and Summer crash Ryan and Taylor's romantic road trip
Series 4 Episode 8
The My Two Dads: Newly engaged Seth and Summer both panic about the prospect of being married
Series 4 Episode 9
The French Connection: Ryan questions his relationship with Taylor after talking with her ex-husband
Series 4 Episode 10
The Dream Lover: Taylor makes a call about her and Ryan's relationship. Seth and Che take a trip together.
Series 4 Episode 11
The Groundhog Day: Kirsten receives life-changing news as the Cohens prepare for her 40th birthday party
Series 4 Episode 12
The Case of the Franks: Ryan worries that the pressure of Valentine's Day will ruin his relationship with Taylor
Series 4 Episode 13
The Shake-Up: Summer helps concoct a plan to get Ryan to open up about his feelings for Taylor
Series 4 Episode 14
The Night Moves: Seth is forced to step up when Ryan is injured during an earthquake
Series 4 Episode 15
The End's Not Near, It's Here: In the final episode, Ryan, the Cohens, the Coopers and their friends build new lives
Series 4 Episode 16