The O.C. - Season 1, Episode 19: Soundtracks

Seth and Summer hooking up; Ryan and Theresa talk as Marissa runs into them.

At the Valentine's Day dance.

Seth comes to the pool house to tell Ryan he had sex for the first time. Summer & Marissa on the same subject at the beach.

Mrs. Cooper and Luke hook up

Summer and Seth Dancing in his room. And Ryan and Marisa talking entail the end scene.

Seth asks Summer for a second try at having sex.

Sandy talks with Marissa.

Song plays as Luke shows up at Julie's door to tell her his feelings.

Song plays in Ryan's room as Seth comes in and tells him he lost his virginity.

Song plays in Summer's bedroom as her and Seth get physical.