"I Love You But I've Chosen Darkness" is the fifth episode of the fourth season of One Tree Hill and the 72nd produced episode of the series. It was broadcasted on October 25, 2006. When Lucas discovers that Derek's interest in Peyton is more than brotherly, Derek becomes menacing. Haley feels Nathan slipping away when he receives a scholarship offer to attend Duke University. As rumors of Brooke's pregnancy spread, Rachel uses the Internet to set Brooke up on a blind date with an older guy. At Nathan's request, Deb tries to kick her pill addiction.