You Call It Madness, But I Call It Love One Tree Hill : Season 4 Episode 16
TV-14 The CW 1h 00m
Aired: May 2nd, 2007 @ 8:00 PM EST on The CW
It's Prom night, but things start to go awry as Lucas discovers who was the person in the hallway when Keith was killed, and psycho Derek holds Peyton hostage at her own house. Meanwhile, Haley and Nathan vow to be romantic with each other throughout the night, and Dan continues to win over Karen's affections.
