The O.C.: Season 2, Episode 23

2 - 23: The O.Sea

Sandy and Caleb confront Kirsten about her behavior. Ryan, looking for the truth about Trey and Marissa, heads home to Chino. Meanwhile, Summer won't let her three-way relationship with Zach and Seth get in the way of her attending the prom. And, Julie and Caleb toast to their final evening together as husband and wife.