The heat index rises in the second season of this Fox channel hit featuring the struggles and triumphs of affluent Orange County, Calif., teenagers (on the brink of adulthood) and their families: the Coopers, the Nichols and the Cohens. This year, Caleb (Alan Dale) joins the fray; Ryan (Ben McKenzie) is back in Newport; Seth (Adam Brody) continues to woo Summer (Rachel Bilson); and Marissa (Mischa Barton) attempts the single life.
