<><strong><em>One Tree Hill</em></strong> is a teen television drama created by Mark Schwahn that premiered on September 23, 2003 on The WB Television Network. The show continued to air on The WB until May 3, 2006 as it was announced that the network would merge with UPN to form The CW Television Network. The fourth season began airing on The CW on September 27, 2006 and continues to air on Mondays at 9/8C. On September 1, 2008, The CW started airing the sixth season of <i>One Tree Hill</i>. On October 6, 2008, Schwahn signed a contract that was tantamount to guaranteeing a 7th season of the show, although most of the cast members&#39; contracts expire at the end of the current one.