Season Four of One Tree Hill aired its first episode on September 27, 2006 on the CW network and ended on June 13, 2007 with the season finale. This season consists of 21 episodes.


"Goodbye Tree Hill High; Graduation nears. With its approach comes the realization that, for students and parents alike, life is changing forever. There are new loves to nurture and old scores to settle. The long-time triangle of Lucas, Peyton and Brooke is finally condensed. The memory of Keith - or is it his spirit? - inspires both Lucas and Nathan, but haunts Dan. Peyton is terrorized by a stalker. Two expectant mothers are about to raise Tree Hill's population statistics. Lucas begins to wonder what really happened the terrifying day Keith died. And the Ravens - led by Coach Whitey Durham - have one last chance for basketball glory and the state championship. Live for now, but make way for what is to come. Hello, future..."
- Season Four DVD Blurb


The season chronicles the second half of senior year for Lucas and his high school classmates. Some of the key plot points are:

  • The love triangle between Lucas, Peyton and Brooke finally drawing a close, leaving Peyton and Lucas together
  • Peyton learning she has a half-brother, and subsequently coming under attack from a stalker pretending to be him
  • Brooke attempting to get over her relationship with Lucas and move on from her friendship with Peyton by befriending Rachel
  • Skills joining the Ravens
  • Karen and Haley coping with their pregnancies, while Nathan prepares for fatherhood
  • Dan dealing with his guilt over Keith's murder and trying to make amends with Karen.


Principal Cast


  • This is the first DVD cover not to feature a cast photo. It instead features a collage of different cast members.


# Image Title
01 401haley The Same Deep Water as You
In a shocking season opener, the aftermath of the post-wedding car accident unfolds. While Haley is deeply affected by Nathan's attempt to rescue Cooper and Rachel, Brooke confronts Lucas with her true feelings, and Peyton makes a startling discovery. Pressured by the fact that someone might know he killed his brother, Dan assaults Deb.
02 402candlebrooke Things I Forgot At Birth
As Nathan, Rachel and Cooper's lives remain precarious following the car accident, Brooke celebrates her 18th birthday but finds it diminished by her struggles with Peyton. Lucas and Karen come to terms with her pregnancy and with the pregnancy of someone close to Lucas, while Deb's past addictions intersect with Haley in an explosive manner.
03 403brookepeytonderek Good News For People Who Love Bad News
Lucas and Brooke, now broken up, clash at a post-game party and Haley realizes that Rachel is plotting to seduce Nathan. Meanwhile, Peyton connects with her half-brother, Rachel reveals that she knows who is pregnant and Skills takes the court with the Ravens basketball team.
04 404rachelphotoshoot Can't Stop This Thing We've Started
Peyton introduces hip-hop sensation Lupe Fiasco at Tric, while rumors that Brooke is pregnant run rampant. Still dealing with their car accident, Nathan buys a motorcycle despite Haley's reservations, and Rachel poses for Maxim magazine. Meanwhile, Lucas clashes with Derek, and Deb double-crosses Karen.
05 405derekpeyton I Love You But I've Chosen Darkness
When Lucas discovers that Derek's interest in Peyton is more than brotherly, Derek becomes menacing. Haley feels Nathan slipping away when he receives a scholarship offer to attend Duke University. As rumors of Brooke's pregnancy spread, Rachel uses the Internet to set Brooke up on a blind date with an older guy. At Nathan's request, Deb tries to kick her pill addiction.
06 406peytonlight Where Did You Sleep Last Night?
Nathan and Haley's financial struggles force Nathan to approach Dan for help. In spite of his heart condition, Lucas decides to rejoin the Ravens, teaming him with Skills. Feeling isolated and alone, Peyton finds comfort from an unlikely source, while Brooke begins dating again, but discovers that her new boyfriend is not all that he seems to be. Mouth receives an unexpected proposal, and an old acquaintance of Dan's, Daunte shows a sudden interest in Nathan.
07 407brookenick All These Things That I've Done
Brooke has her hands full with her model for the T.A.R.T. fashion show and a new boyfriend. Rachel makes the cover of "Maxim," causing chaos at Tree Hill High. Meanwhile, Lucas learns of Nathan's dealings with Daunte, and ultimately has to choose between Nathan and his love for basketball. Haley takes on a babysitting job only to find herself in over her head and Peyton's half-brother, Derek, forces her to confront her deepest fears.
08 408nathanmvp Nothing Left to Say But Goodbye
Derek convinces Peyton to take a chance with Lucas at the same time that Brooke approaches him about getting back together. Daunte's] latest demand leads Nathan to seek help from an unlikely source - Dan. When Rachel learns of a failing grade, she turns to Haley for tutoring. Nathan is named MVP of the Ravens at the annual sports banquet.
09 409leyton Some You Give Away
As Whitey's last game approaches, the residents of Tree Hill feel the pressure of a looming State Championship. Peyton reveals to Lucas that she has feelings for him and Haley learns the sex of her baby. Nathan and Lucas clash over personal and team goals and Karen shows Deb tough love, while Dan tries to strike a bargain with Daunte.
10 410lucaskeith Songs to Love and Die By
Lucas receives an unlikely visitor -- his supposedly dead Uncle Keith. Haley's life and the life of her unborn child are threatened when she experiences serious complications with her pregnancy and Nathan wrestles with the guilt and consequences of his dealings with Daunte. Dan tries to make amends for Keith's murder and Peyton and Brooke try to patch up their differences.
11 Everything-In-Its-Right-Place-one-tree-hill-4423800-608-336 Everything in Its Right Place
Following his heart attack, Lucas returns to school, hoping to rekindle his romance with Peyton. Haley learns that Nathan was responsible for her accident. Brooke and Rachel hatch a plan to steal the next calculus exam, while Dan faces murder charges and Deb breaks out of rehab.
12 412peytonlucas Resolve
With senior prom only weeks away, Haley's frustration over her injuries increases and Skills and Mouth hatch a plan to help Nathan earn money for the big dance by stripping. Brooke betrays Rachel in order to get closer to a new guy and Peyton and Lucas resolve to be happy. Struggling with her drug addiction, Deb makes a choice that could end her life.
13 413brooke Pictures of You
A class assignment reveals the deepest secrets and desires of Lucas and the students at Tree Hill High. Worried about college prospects, Skills turns to Haley, while Nathan wrestles with Deb's suicide attempt. Chase learns that Brooke cheated on her calculus exam, while nudity and drugs run rampant in the halls of the school.
14 414nathanbrooke Sad Songs for Dirty Lovers
Haley confronts Brooke regarding the stolen calculus test. Lucas and Peyton consider taking their relationship to the next level as Peyton and Brooke grow closer. In Deb's absence, Nathan throws a senior party at the Scott House, where a sex tape from Nathan's past surfaces.
15 415brookemouth Prom Night at Hater High
On the day of Prom, the residue of Nathan's pre-Prom party has serious repercussions for everyone in Tree Hill. Haley asks Nathan for a list of his past sexual conquests. Rachel is suspended after taking the blame for the exam she stole with Brooke. Peyton tells Lucas she wants to skip the Prom entirely, but he refuses to take no for an answer. Finally Mouth and Brooke must deal with dating Clean Teens on Prom night.
16 416peytonbrookederek You Call It Madness, But I Call It Love
It will be an unforgettable Prom at Tree Hill High when Lucas discovers who was in the hallway when Keith was killed. Meanwhile, Peyton's decision to skip Prom leads to dire consequences. Nathan and Haley vow to be romantic teenagers at Prom, while Dan tries to win Karen's affections, as the witness to his murder closes in.
17 417group It Gets the Worst at Night
The teens of Tree Hill mount a rescue mission to retrieve Mouth from his ill-advised road trip with Rachel. While on the trip, Haley and Nathan get a second chance to enjoy the prom, and Lucas and Peyton decide to take their relationship to the next level. Brooke tells Haley that she lied about stealing the calculus exam, and Nathan struggles with the residue of a past mistake.
18 418lucasabby The Runaway Found
Nathan fears for his future as past mistakes come back to haunt him and Haley. Lucas hears a shocking confession after making contact with the mysterious witness to Keith's murder. Brooke rekindles her friendship with Peyton after crossing paths with Chase.
19 419jimmysyearbook Ashes Of Dreams You Let Die
Nathan and Haley grow closer in spite of the recent scandal and Brooke wonders if a spark might be rekindled with Chase. Peyton receives a tempting offer that would ultimately take her away from Tree Hill. Mouth reconnects with Gigi, while Lucas tells Karen that Dan is a murderer, setting off an explosive series of events.
20 420haleyspeech The Birth and Death of Day
As graduation day dawns in Tree Hill, some dreams begin as others end. Haley prepares for her graduation speech and her role as a young mother, while Nathan prepares for life without basketball. Brooke makes a heartfelt confession that puts her future in jeopardy and Lucas confronts Dan as Karen's life is threatened.
21 421wewerehere All Of A Sudden I Miss Everyone
Dan must face the harsh consequences of his decision to murder Keith as Karen and Haley's pregnancies complicate the lives of Nathan and the graduating seniors of Tree Hill High. Lucas wrestles with his post-high school options, and Peyton and Brooke prepare to spend the summer in Los Angeles together.


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