Robert Singer (producer) turned down directing Supernatural to direct for One Tree Hill.
 Schwahn said that the actors' busy schedules could possibly prevent a return in time for Brooke's wedding, but he hoped they could return later in the season
Criticism of how their characters, Lucas and Peyton, were written out of the series focused mainly on a lack of explanation about where they went, and the exit not having been morbid enough for a star-crossed couple

