The OC Season 1 Episode 26 (04/28/04)
-The boys head to Vegas to throw Caleb a bachelor party. Julie tells Kristen she wants a bachelorette party, with male strippers.
-Caleb tells Sandy that Marissa will be moving in with him and Julie. Sandy tells Jimmy. Ryan fills in the details of the deal.
-Caleb is really in Vegas to sell the Balboa Lighthouse property to a developer. Sandy threatens to sue. Jimmy punches Caleb for trying to steal his daughter.
-Hillary hires strippers to seduce Julie to prove she doesn't love Caleb. Julie gets wind of the plan and a cat fight ensues which ends in the pool.
-Theresa says she's moving to Atlanta but lets it slip to Marissa that she's pregnant, broke, and doesn't no who the father is.
-Summer breaks up with Seth but later follows him to Vegas to talk. She finds him in a lip lock with another girl who happens to be a hooker, much to Seth's shock. Later the two talk and make up.
-Marissa is furious that Ryan told Jimmy about her deal with Caleb. During their fight she blurts out that Theresa may be pregnant with his child.