Ryan and Marissa begins their lives as just friends in the aftermath of everything that has happened. But they soon find out that it is not as easy as it looks. Things ta ...

On Valentine's Day, everyone is preparing for the Valentine's singles benefit dance. Luke has a new crush: that being Marissa's mother Julie. Meanwhile, Sandy gives Seth ...

Ryan finds himself truly out in the cold when he's suspended from school, shunned by Marissa, and even scrutinized by the Cohens, all of whom refuse to believe Ryan's cla ...

Ryan continues to become suspicious of Oliver when he suddenly transfers to Harbor High and begins making plans of his own with Marissa. But Ryan's attempts to try to exp ...

Oliver plans a new trip for the group by inviting them to Palm Springs for the weekend to play golf and travel around. But things don't go well for everyone, except for O ...

Hailey discovers that she isn't welcome into the Cohen household as much as she thought due to her continuing irresponsible and brash lifestyle and personality leading to ...

It's New Year's Eve- Ryan may have worrying competition in Oliver and fears for the future of his relationship with Marissa. Kirsten's sister returns to Newport to stir u ...

Ryan is officially introduced to the bi-religious holiday of 'Chrismukkah', thanks to Seth who has set this up for his parents; the Catholic Kristin and the Jewish Sandy. ...

Ryan learns more about Luke when they're paired for a school history project which is that Luke isn't the macho tough guy he puts out to his friends, but he is quite a ni ...

Thanksgiving dinner at the Cohens descends into bedlam when unexpected guests arrive. Meanwhile, Ryan returns to his hometown when his brother calls on him for a favor, M ...

Having chose Ryan over Luke, Marissa wants to make plans for their first romantic date together, while Ryan does not know how to behave for his first date with Marissa. S ...

At the opening day of the new school year, Ryan doesn't feel like he fits in at his new school of Harbor High, and Luke doesn't make the situation any better when he and ...

While Marissa is in a hospital in Newport recovering from her near-fatal drug overdose in Mexico, Julie unfairly blames Ryan for her condition and forbids him from seeing ...

Ryan, Seth, Marissa and Summer plan an end-of-summer trip down to Tijuana, Mexico (aka: the TJ). Luke wants to tag along with them to try to get back together with Mariss ...

Kirsten's uptight father, Caleb Nichol, comes for a visit along with his new girlfriend, Gabrielle, a 24-year-old model. Caleb does not hesitate to speak his mind and imm ...

Ryan takes a job at the Crab Shack diner where a co-worker, named Donnie, might mean bad news for the Newport kids when he takes Ryan and Seth out to party queen Holly Fi ...

During rehearsals for Newport Beach's annual Cotillion Ball, Ryan continues to pursue Marissa and asks her to be his dancing partner, while a continuing jealous Luke trie ...

Ryan has a difficult stay in a Juvenile Hall prison for the arson charge. Seth makes Kirsten aware of his anger over Ryan's situation, and Kirsten makes a compromise to b ...

When his mother disappears and 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 and hide ...

Ryan Atwood is a troubled, 16-year-old kid living in the rough, crime-ridden neighborhood of Chino located in San Bernadino, California, who gets thrown out of his own ho ...

When Moretti goes missing on the day of her wedding, Pierce and Donnie set out to find her. A dangerous person from Pierce's past abducts Kate. ...

After a student is found murdered, Pierce tries to find the killer while defending the victim's boyfriend, who is believed to be mentally ill and guilty of the crime. Mea ...

Pierce and Moretti undercover an international scandal while investigating the murders of a Bangladeshi diplomat and a Chicago reporter. ...

Daniel and Kate are called by another agent to help in a case involving the murder of a whole family. The agent suspects an animals rights activist group because the fami ...

After Dr. Daniel Pierce suffers a traumatic injury, his father and his friend must decide if they should allow him to undergo a high-risk surgery; Pierce begins to questi ...

Donnie wakes up next to a dead Shelby. He claims to have to memory of what happened. He's arrested and placed in jail. Kate doubts his story especially when some people s ...

When an FBI agent is shot by a sniper, Kate asks Daniel to help because the shooter left something behind that's strange. When Daniel looks at it he thinks the sniper was ...

The body of an FBI agent who went missing a few years ago is found. The agent was the one who replaced Kate when she moved to Washington. Daniel initially refused to work ...

A gallery owner dies while having a seizure caused by a video installation; Pierce must re-examine his relationship with Natalie. ...

When an infant is reported stolen, Moretti hunts down the kidnapper and makes a very bizarre discovery. As Pierce and Moretti investigate a related murder, they find that ...

When renowned Neuroscientist Landon Jennings is found dead, Moretti and Pierce must figure out how someone could have gained access to his impenetrable study in order to ...

Pierce and Moretti are investigating the murder of a girl. They learn that a woman claims to be the one who killed her and she also claims to be possessed by the devil. T ...