Sandy and the boys devise a plan to save Trey from going to jail after he took the fall for supplying drugs at his birthday party. Kirsten and Carter, fulfilling…

Sandy, Seth and Ryan travel to Miami to visit the Nana after she tells Sandy she is getting married. Unable to go because of work, Kirsten is left on her…

Seth and Zach declare themselves rivals for Summer’s affections; Marissa is still reeling from being nearly raped by Trey; Sandy confronts Kirsten when her drinking problem becomes very apparent; Caleb…

Seth and Zach squabble over who should take Summer to the prom and who will meet George Lucas for dinner; Sandy takes drastic actions with a recovering Kirsten; Ryan starts…

Kirsten hits rock bottom after Caleb’s funeral, prompting Sandy to finally take action; Jimmy Cooper resurfaces and almost immediately renews ties with a mourning Julie; Jess bullies Trey into participating…

It’s Trey’s 21st birthday and Marissa, anxious to help Trey and Ryan forge a relationship, throws a birthday party for Trey at the Cooper-Nichol mansion that turns out to be…

After hearing about Lindsay and Ryan’s failed attempt at dinner with Caleb the night before, Kirsten arranges a dinner that she can supervise. But her presence makes no difference when…

It’s Valentines Day 2005 in O.C. when Sandy and Kirsten’s conflict about Rebecca continues. Ryan tries to make peace with Caleb to spend Valentines Day with Lindsay. While Seth, Zach,…

As Sandy continues working on Rebecca’s case, Kirsten questions how strong their feelings are for one another. Seth continues his downward spiral in the aftermath of Zach and Summer’s Valentine’s…

It’s a rainy day in Newport where Lindsay decides to take the DNA test and makes a difficult choice regarding her life with Caleb while Ryan helps her through it….

After Lindsay moves to Chicago with her mom, Ryan is heartbroken and Caleb’s confused. Seth, Summer, and Marissa invite Ryan to the mall to get his mind off things. Caleb…

Spring has flung in Newport where Marissa recruits Ryan to help her with Harbor School’s Pep Rally Bonfire. Alex accepts that her and Marissa are from two different lives and…

When Ryan’s brother, Trey, gets out of jail and gives Ryan a call, the Cohens give him a warm welcome. Though, Ryan knows nothing good can come from it. Zach…

Sandy reluctantly serves as host/auctioneer at yet another OC benefit; Trey lies to Ryan to prove that he can be self-dependent; Carter reinvigorates Seth and Zach’s comic book dream, much…

After Caleb is released from custody, he must make some decisions about the Newport Group, and his decisions don’t sit well with Kirsten. Seth is determined to win back Summer’s…

It’s a new era in Newport Beach. Kirsten and Julie try and work together at The Newport Group, while Sandy tries to find out what Caleb is hiding. Seth and…

It’s the annual “SnO.C.” winter dance. Seth wants to take his relationship with Alex further, but she might have other plans. Marissa’s secret relationship with D.J. is exposed, while Zach…

It’s Chrismukkah once again in The O.C. and this year, Seth wants to take it global. As Caleb is faced with the looming prospect of going to prison, Sandy convinces…

After Caleb’s confession, The Cohens try to welcome Lindsay as part of the family. Jimmy is faced with a choice when Marissa finds out about his relationship with his ex-wife,…

When Sandy forgets his and Kirsten’s 20th wedding anniversary, he finds himself going to a lot of trouble to make it up to her. Seth and Ryan’s respective relationships with…

Seth is thrown when Alex’s ex arrives in town for a visit, and is even more thrown when he finds out who it is. Julie has a plan to try…

Things heat up between Sandy and Kirsten when Sandy decides to help his mentor in law school find his daughter, Rebecca, whom was Sandy’s first love. Seth and Zach start…

The summer is coming to an end, and Seth hasn’t returned home to Newport. In the midst of home renovations, Sandy and Kirsten are strained and missing their son. Ryan…

Now that Ryan and Seth have returned to Newport, its time to get back to school. The boys reunite with their former girlfriends but it becomes apparent that things will…