Watch The O.C. - The Third Wheel

The O.C. Season 1 Episode 15

Season 1 Episode 15

First Aired: January 7, 2004

Description: Hailey moves in with the Cohens, and proves to be a difficult house guest. Kirsten is unable to confront Hailey about her problematic tendencies, so Sandy takes things into his own hands. Meanwhile, Seth and Anna have a hard time telling Summer about their new relationship and Ryan becomes More