he third season of One Tree Hill, an American teen drama television series, began airing on October 5, 2005. The season concluded on May 3, 2006, after 22 episodes. It is the final season that aired on the WB television network. Season three regular cast members include Chad Michael Murray, James Lafferty, Hilarie Burton, Bethany Joy Galeotti, Paul Johansson, Sophia Bush, Barbara Alyn Woods, Lee Norris, Barry Corbin, Craig Sheffer, and Moira Kelly.
This season focuses on the first half of senior year at Tree Hill High School. Starting three months after the second season finale, Dan Scott tries to figure out who tried to kill him. Brooke and Lucas enter a relationship, and Haley returns to save her marriage.Peyton gets to know her biological mother, Ellie Harp. The season continues to the renewal of Haley and Nathan's wedding vows, and the consequences of Cooper Lee's relationship with the new girl Rachel Gatina. Season three dipped in ratings, averaging 2.8 million viewers weekly.Overview from themoviedb.org