The Goodbye Girl
The OC Season 1 Episode 21 (03/03/04)
-Anna announces that she's decided to move back to Pittsburgh.
-Theresa decides to stay in Newport. Eddie accuses Ryan of sleeping with Theresa which he denies. Marissa tells Ryan she can't compete with someone he has such history with.
-Sandy tells Caleb he needs to share his legal troubles with Kristen. Later Sandy tells Kristen he has tampered with a witness in order to save her and Caleb.
-Theresa and Marissa both show up at Caleb's Riviera party. Eddie arrives and he and Ryan fight. Eddie is escorted out. Theresa decides to return to Chino.
-Caleb wants to mend fences and take Julie on a real date.
-Seth runs to the airport to say goodbye to Anna. He tells her he loves her but Anna says they never had enough chemistry but they might in the future. She tells Seth to be confident in himself and walks onto the plane.