: The prom episode featuring the final confrontation with "Psycho Derek".
: Deals with the aftermath of the bridge accident involving Nathan, Rachel, and Cooper. One Tree Hill - Season 4
: Haley and Nathan navigate the challenges of being teen parents after discovering they are expecting a son. Nathan becomes entangled with a loan shark named Daunte, leading to a point-shaving scandal that threatens his basketball future at Duke. : The prom episode featuring the final confrontation
: The series' original finale before the four-year time jump; it features graduation and the births of James Lucas Scott and Lily Roe Scott. Thematic Elements One Tree Hill Season 4 Episodes - TV Guide Nathan becomes entangled with a loan shark named
: Lucas has a heart attack and is "visited" by Keith while in a coma; Haley is hit by a car.
: Lucas discovers that Dan, not Jimmy Edwards, killed his uncle Keith during the school shooting in Season 3. This leads to an explosive confrontation on graduation day.