: Both Tyler Hilton (Chris Keller) and Paul Johansson (Dan Scott) rejoined the cast as series regulars for this final season.
: The episode ends on an ominous note with someone watching Haley’s house from the shadows, setting a dark tone for the final season. Production Details & Trivia Original Air Date : 11 January 2012. [S9E1] Know This, We've Noticed
is the premiere episode of the ninth and final season of the drama series One Tree Hill . As the beginning of the end for the series, the story focuses on the characters navigating new roles as parents while being haunted by returning shadows from their past. Story Overview : Both Tyler Hilton (Chris Keller) and Paul