he seventh season of One Tree Hill premiered on September 14, 2009. This is the first season not to include the show's original cast members Chad Michael Murray and Hilarie Burton. After successful ratings for the first three episodes, The CW gave the series a full-season order of 22 episodes.
Season seven regular cast members returning from season six are James Lafferty, Bethany Joy Galeotti, Sophia Bush, and Austin Nichols, while Robert Buckley, Shantel VanSanten, and Jana Kramer join the cast in the season premiere. Other cast members include Jackson Brundage, Lee Norris, Antwon Tanner, Lisa Goldstein, and Paul Johansson.
The seventh season takes place fourteen months after the season six finale, marking the series' second time jump in three years. The season focuses on Brooke's company "Clothes Over Bro's" and a scandal that threatens Nathans career and marriage.
The season premiere was seen by 2.55 million viewers and achieved a 1.2 rating in Adults 18-49. Episode 7 achieved season highs with 2.67 million viewers and a 1.3 rating in Adults 18-49. The season averaged 2.3 million viewers and a 1.1 rating placing it at #118 in the 2009-10 season.Overview from themoviedb.org