The O.C. Soundtrack 
Episode 19 • The Rager
Every Rose Has Its Thorn
Julie & Lance slow dance to the song in a bar & Julie confides that she thinks Caleb is going to divorce her. Lance responds by saying the whole situation is his fault & he'll "take care of Caleb" if she wants him to.
Decent Days and Nights
Ryan, Marissa, Summer & Seth check out Zach talking to Reed, who Summer thinks is just a random hottie, at the party at Caleb's mansion- somehow word has gotten out that there's a rager.
Daft Punk Is Playing At My House
Seth & Zach argue about Reed, as Summer & Reed finally meet while touching up their make-up in the bathroom. Afterward Summer is totally pissed, confronts Seth about leading her into thinking Reed was a guy, & gets a ride home with Zach & Reed.
C'mon, there's no such thing as a stupid question. Get the ball rolling and be the first.