One Tree Hill - Season 4 < Exclusive ◎ >

: 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

: Peyton is targeted by a "Psycho Derek" (Ian Banks), who impersonates her biological half-brother. She eventually meets her actual brother, a Marine also named Derek, who helps her confront her trauma. One Tree Hill - Season 4

Season 4 of One Tree Hill (2006–2007) is the final year of high school for the main characters, focusing on the closure of their adolescent lives and the resolution of the series' darkest mysteries. It was the first season to air on The CW network following the merger of The WB and UPN. : The series' original finale before the four-year

: 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. Season 4 of One Tree Hill (2006–2007) is

: Brooke moves in with Rachel Gatina, faces a cheating scandal on a calculus exam to ensure she graduates, and begins a relationship with a "Clean Teen" named Chase Adams. Key Episodes

: Brooke and Lucas officially break up after she realizes his growing feelings for Peyton. By the middle of the season, Lucas and Peyton finally begin a serious relationship.