One Tree Hill

Season 4, Episode 17

Episode Title: It Gets the Worst at Night

Air Date: 2007-05-09

Overview:

When Mouth and Rachel's road trip goes wrong, the other teens go out to their rescue. While on the trip, Nathan and Haley get a second chance to enjoy their Prom and Peyton and Lucas decide to take their relationship to the next level. Finally, Brooke reveals the truth about the stolen calculus exam to Haley.