Everyone struggles to adjust to life without Marissa. Dealing with her death in the only way he knows how, Ryan has moved out of the Cohen house. When Ryan misses a special dinner, Seth finds him in the wrong part of town and calls Summer for help. Meanwhile, Julie Cooper will do anything to avoid dealing with the loss of Marissa. Kaitlin earns a new pair of boots from Dr Roberts in true Cooper fashion. And Taylor Townsend hides out in the diner and tries to convince her friends that she is in Paris. This DVD release contains all 16 episodes of the Fourth and final series of the OC.
　　Episode Guide
　　The Avengers
　　The Gringos
　　The Cold Turkey
　　The Metamorphosis
　　The Sleeping Beauty
　　The Summer Bummer
　　The Chrismukk-huh?
　　The Earth Girls Are Easy
　　The My Two Dads
　　The French Connection
　　The Dream Lover
　　The Groundhog Day
　　The Case of the Franks
　　The Shake Up
　　The Night Moves
　　The End's Not Near, It's Here