One Tree Hill

It Gets the Worst at Night (4x17)

Air date: May 09, 2007

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.