Episode: 4x20 (Season 4 Episode 20) Name: The Birth and Death of the Day Originally Aired: Jun. 06, 2007 Plot: Graduation day arrives for the Tree Hill High seniors, bringing the realization of dreams for some, while the dreams of others are brought to an end. As Nathan deals with his future without basketball, Haley gets her valedictorian speech ready and she worries about being a mother in the matter of weeks. Meanwhile, Brooke makes a confession that may damage the future she thought she had and Lucas confronts his father when his mother's life is threatened.