Episode: 4x19 (Season 4 Episode 19) Name: Ashes of Dreams You Let Die Originally Aired: May. 30, 2007 Plot: Nathan and Haley are able to grow closer as a couple despite the looming basketball scandal. Brooke contemplates her relationship with Chase after she senses a spark between them. Meanwhile, Peyton is given an offer that would force her to leave Tree Hill; Mouth and Gigi reconnect; and Lucas reveals to Karen who killed Keith, which sets off an explosive chain of events.

Episode: 4x18 (Season 4 Episode 18) Name: The Runaway Found Originally Aired: May. 16, 2007 Plot: The future with Duke that Nathan thought he had lined up is at risk when his past mistakes come back to haunt both him and Haley. Lucas hears a shocking confession after meeting the mysterious witness to Keith's death. Meanwhile, Brooke tries to make things right with her friendship with Peyton after having a run-in with Chase.

Episode: 4x17 (Season 4 Episode 17) Name: It Gets The Worst at Night Originally Aired: May. 09, 2007 Plot: The gang head to Texas on a rescue mission to save Mouth from his ill-conceived road trip with Rachel. In Texas, the teens get another shot at the Prom and Lucas and Peyton decide to take their relationship to the next level. Meanwhile, Brooke confesses to Haley that she lied about stealing the calculus exam and Nathan once again has to face his past mistakes surrounding his dealings with Daunte.