While Haley stays at home to take care of the new baby, Quinn organizes a concert at Tric. Meanwhile, Brooke gets an offer to return to Clothes Over Bros, and Nathan sets his sights on exposing Professor Kellerman. Watch free, streaming full episodes of One Tree Hill on cwtv.com. One Tree Hill Video: Watch One Tree Hill full episodes, previews, clips, interviews and more video. One Tree Hill takes place in a small North Carolina town, where two estranged half brothers carry on very different lives.