The award-winning series follows a group of friends and family whose comfortable lives are upended when an outsider arrives at their wealthy oceanside community of Newport Beach in Orange County.

Ryan Atwood (Ben McKenzie) is taken in from the streets of Chino by Sandy Cohen (Peter Gallagher), a public defender, and his wife Kirsten (Kelly Rowan). The Cohen’s lives are transformed by Ryan’s arrival and integration into their family.

Seth (Adam Brody) finds a friend and brother in Ryan, who helps him as he tries to win the heart of his lifelong crush, Summer Roberts (Rachel Bilson).

Ryan falls head over heels for the girl next door, Marissa Cooper (Mischa Barton), but their troubled pasts come back to haunt the young lovers and test their relationship.

All four series of The O.C. will be available to watch on All 4 on 22nd January 2021.