Ryan and Marissa deal with the aftermath of Trey's shooting when Julie maliciously goes to great efforts to protect her daughter by influencing Trey to charge Ryan for th ...

As the gang returns to school for their senior year, Jack Hess, the new dean of discipline of Harbor High School, wants to expel both Ryan and Marissa for the shooting in ...

After Caleb's will is read which reveals that he's lost everything, Jimmy must make a difficult decision whether or not to stay in town or move away again to avoid his bu ...

Marissa struggles with attending new public high school Newport Union, and her new friends, Johnny; his girlfriend Cassey; and their nerd friend Chili, all of whom make R ...

Summer decides to bring the curtain down on a certain student-teacher affair, and gets help from Seth and Sandy. Ryan has a personal crisis after overhearing devastating ...

Taylor plans a Saturday night lock-in for the senior class, but not everyone is game. Seth helps Taylor in a time of need, but his kind gesture may have ramifications for ...

Charlotte and Julie throw a faux-benefit with an unknowing Kirsten. Taylor's meddling causes a rift between Seth and Summer. Sandy struggles with his new responsibilities ...

It's time to start college applications: Ryan can't decide where he wants to go, Sandy is pushing his alma mater on Seth, and Summer is worried about being on the opposit ...

Marissa cares for an injured Johnny. But could they be getting too close? Ryan and Matt pull an all-nighter to prepare for a big meeting, but their night takes a turn. Se ...

Ryan, Marissa, Seth, and Summer try to raise money for Johnny's knee surgery by throwing Ryan a Bar Mitzvah as part of Seth annual Chrismukkah celebration. Ryan is glad t ...

Ryan, Seth, and Summer plot to get Marissa back into Harbor School so they can be all together for the rest of the senior year. Johnny asks Marissa to attend a social fun ...

Trouble brews for the gang when Marissa's younger sister, Kaitlin Cooper (whom is even more devious and amoral then Julie), arrives in Newport for a visit from her Montec ...

Julie tries to make up for forgetting Kaitlyn's fourteenth birthday by throwing her a party. Marissa and Kaitlyn butt heads over Johnny. Seth begins to spiral after being ...

Summer discovers the truth about Seth's pot smoking, while Sandy and Matt encounter an obstacle with their hospital project. Meanwhile, Kirsten and Julie take their match ...

In the aftermath of Johnny's untimely death, the gang tries to sort out their problems and face the reality of the situation. Johnny's cousin, Sadie Campbell, arrives in ...

Summer asks Julie and Kirsten, via their matchmaking company, to find a woman for her father. However, the pesky Taylor discovers Julie and Dr. Roberts having dinner, and ...

It's Ryan's 18th b-day and the Cohens decide to throw him a party at the Bait shop. Ryan wonders about if he should invite Marissa or not, trying not to give her the wron ...

Ryan returns to old habits when Jess returns to Newport with news about Trey; Kirsten asks Ryan to confront his savior complex, before it jeopardizes his relationship wit ...

Marissa's ties with Volchok send her into a substance abuse downward spiral. Summer is concerned about her friend--and the fate of her father's relationship if things don ...

When college acceptance and rejection letters are received, the kids must consider what path they are going to follow. Summer is accepted into Brown University, whereas S ...

Ryan travels to Albuquerque to invite his mother, Dawn, to his graduation. He meets beautiful, Chloe, who happen to be a colleague and friend of Dawn's. Summer calls off ...

Some go East, some stay West for freshmen orientation weekends. Ryan and Marissa arrive at Berkeley, and Summer and student/poseur Seth visit Brown. Familiar faces also s ...

During planning for Harbor High's senior prom, Seth tries to convince Summer to accompany him. But she is still mad at him over the Anna Stern incident at Brown and refus ...

Sandy is voted Man of the Year by Riviera magazine due to his work for the hospital, but at the same time is having some trouble with the law for his connections to Henry ...

In the season finale, all the seniors are graduating and heading off to college but Volchok is blackmailing Ryan with the stolen car unless he pays him off... and lets hi ...