6th Season (One Tree Hill)

The sixth season of One Tree Hill, an American television series, began on September 15, 2008 and concluded on May 18, 2009 with a total of 24 episodes. This is the third season to air on The CW television network. The season's seventh episode, "Messin' with the Kid" achieved a series high in Adults 18–34 with a 2.7 rating.

Season six is the final season for original cast members Chad Michael Murray and Hilarie Burton. Their characters, Lucas and Peyton, leave Tree Hill with their newborn baby in the finale.

Overview
Lucas proposes to Peyton. They decide to get married. Peyton gives Lucas the startling news that she is having his baby. Nathan tries to make a comeback in basketball, Haley has to make a decision involving her career, Brooke takes in a young girl named Sam and deals with being attacked in her own store, and Dan spends time with Jamie as he waits on a heart transplant. Meanwhile, a movie producer named Julian Baker comes to Tree Hill and wants to make An Unkindness of Ravens into a movie.

Cast
Chad Michael Murray as Lucas Scott

James Lafferty as Nathan Scott

Hilarie Burton as Peyton Sawyer Scott

Bethany Joy Galeotti as Haley James Scott

Sophia Bush as Brooke Davis

Jackson Brundage as Jamie Scott

Antwon Tanner as Skills Taylor

Lee Norris as Mouth McFadden

Lisa Goldstein as Millicent Huxtable

Paul Johansson as Dan Scott

Barbara Alyn Woods as Deb Lee

Recurring
Ashley Rickards as Sam Walker

Daphne Zuniga as Victoria Davis

Austin Nichols as Julian Baker

Kate Voegele as Mia Catalano

Gregory Harrison as Paul Norris

Burgess Jenkins as Bobby Irons

Jaden Harmon as Andre Fields

Joe Manganiello as Owen Morello

Michael May as Chuck Scolnik

Stephen Colletti as Chase Adams

Vaughn Wilson as Fergie Thompson

Cullen Moss as Junk Moretti

Evan Peters as Jack Daniels

Kelsey Chow as Gigi Silveri

Allison Munn as Lauren

Robbie Jones as Quentin Fields

Torrey DeVitto as Carrie

James Van Der Beek as Adam Reese

Katherine Landry as Madison

Devin McGee as Xavier Daniels

John Doe as Mick Wolf

Bradley Evans as Jerry

Michaela McManus as Lindsey Strauss

Barry Corbin as Whitey Durham

Kelley Davis as Chuck's Mom

Moira Kelly as Karen Roe