via press release:
CHAD MICHAEL MURRAY RETURNS TO “ONE TREE HILL”
August 29, 2011 (Burbank, California) ? Chad Michael Murray (@ChadMMurray) will make a guest appearance in his original role as Lucas Scott during the final season of ONE TREE HILL, which will return mid-season on The CW.
Murray’s character was last seen driving off into the sunset with his wife Peyton (Hilarie Burton) and their new baby Sawyer. Lucas returns to Tree Hill after Haley (Bethany Joy Galeotti) reaches out to him for help.
ONE TREE HILL was created by Mark Schwahn and is executive produced by Schwahn, Joe Davola, Greg Prange, Mike Tollin and Brian Robbins. The series is produced by Mastermind Laboratories and Tollin/Robbins Productions in association with Warner Bros. Television.