In what episode of One Tree Hill did Haley and Nathan get married in secret?

Haley and Nathan got married in secret in Season 3, Episode 9 of One Tree Hill, titled "How a Resurrection Really Feels." In this episode, they elope to avoid the complications of their relationship and the reactions of their families. The secret wedding becomes a significant turning point in their storyline, showcasing their commitment to each other despite the challenges they face.