Episode: 4x01 (Season 4 Episode 01) Name: The Same Deep Water As You Originally Aired: Sep. 27, 2006 Plot: Continuing where last season left off, Nathan, Rachel and Cooper's lives hang in the balance after the accident. In the aftermath, Nathan is haled as a hero, but he begins to doubt that he was the one responsible for the life-saving actions. Haley is deeply affected by the accident and Nathan's near-death experience, especially when Nathan begins to shut her out. Meanwhile, Lucas confronts Brooke about the pregnancy test and Dan confronts Deb after finding that someone had written "murderer" on his wall.