

The inhabitants of Tree Hill have witnessed Lucas' metamorphosis from loner to high school basketball star, Nathan and Haley's troubled marriage and Peyton and Brooke's tumultuous friendship. As the group of high school seniors find themselves dealing with life-altering experiences they will never forget, the adults in Tree Hill continue to deal with the residue of decisions they made years ago.
All episodes — Season 4
S4 E1The Same Deep Water as You
Sep 27, 200642 min
The residents of Tree Hill must deal with the aftermath of the shocking accident that left everyone without words. In the midst of all the chaos, Dan extends his help to Karen now that she is pregnant, Lucas and Peyton's friendship continue
S4 E2Things I Forgot at Birth
Oct 4, 200642 min
It's her eighteenth birthday, but Brooke soon realizes that she has no one but Rachel to celebrate it with. Meanwhile, Nathan continues to struggle with memories of the accident and Dan continues to be haunted by remorse over his actions ag
S4 E3Good News for People Who Love Bad News
Oct 11, 200641 min
Peyton spends more time getting to know her newfound brother, Derek. Meanwhile, Lucas gives up on his love for Brooke and Rachel tries to start a romance with Nathan.
S4 E4Can't Stop This Thing We've Started
Oct 18, 200642 min
Rumor surfaces that Brooke might be pregnant, causing Karen to worry as she fears that the baby might be Lucas'. Meanwhile, Rachel continues to get closer to Nathan when she confesses that she saw Keith during the accident.
S4 E5I Love You But I've Chosen Darkness
Oct 25, 200642 min
Nathan gets two surprises in a row, and everyone is eager to share their advice with him. Deb also shares something she picked up. Brooke decides to celebrate while Peyton is being attacked by her stalker.
S4 E6Where Did You Sleep Last Night?
Nov 8, 200642 min
Nathan struggles with money problems and reluctantly asks Dan for help. Elsewhere Brooke learns the new man in her life is also her new English teacher. Peyton gets help from an unexpected source, and Lucas returns to the Ravens just in tim
S4 E7All These Things That I've Done
Nov 15, 200642 min
Peyton returns to school, but she breaks down. In the meantime Nathan is cornered into a no-win situation by Daunte. Brooke's fashions are a hit at the local show. And Deb takes drastic action for her addiction.
S4 E8Nothing Left to Say But Goodbye
Nov 22, 200642 min
Derek tells Peyton to give Lucas a chance just as Brooke tries to make up with him. Rachel asks Haley to tutor her when she discovers she is failing a class. And Nathan has more trouble with Daunte.
S4 E9Some You Give Away
Nov 29, 200642 min
As the Ravens prepare for the championship, Lucas learns Nathan intends to throw the game and decides on a risky plan to even the odds. Karen insists Deb show up for her son's final game and tries to help her get there. Also Dan makes a las
S4 E10Songs to Love and Die By
Dec 6, 200641 min
After a cardiac incident, Lucas has a dream in which the spirit of Keith visits and shows him how much one life can affect the lives of others, with a nod to “It's a Wonderful Life.” Elsewhere, Hayley is the victim of an accident and Dan he
S4 E11Everything In Its Right Place
Jan 17, 200738 min
The aftermath of the series of unfortunate events at Tree Hill begins. Lucas returns to his everyday life, following his heart attack, and tries to rekindle his relationship with Peyton. However, things are rougher for Haley when she discov
S4 E12Resolve
Jan 24, 200742 min
Haley finds herself frustrated over her injuries while Skills and Mouth help Nathan find a job as a stripper in order to earn money for the senior prom. Meanwhile, Brooke betrays Rachel in order to get with a new guy and Lucas and Peyton fi
S4 E13Pictures of You
Feb 7, 200742 min
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 cheat
S4 E14Sad Songs for Dirty Lovers
Feb 14, 20075.641 min
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
S4 E15Prom Night at Hater High
Feb 21, 20075.842 min
It's Prom day, and emotions are flying high at Tree Hill. An emotional Haley confronts Nathan about the sex tape and asks for a list of all his past sexual encounters. Meanwhile, an angry Peyton asks Lucas to skip the dance altogether, but
S4 E16You Call It Madness, But I Call It Love
May 2, 200742 min
It's Prom night, but things start to go awry as Lucas discovers who was the person in the hallway when Keith was killed, and psycho Derek holds Peyton hostage at her own house. Meanwhile, Haley and Nathan vow to be romantic with each other
S4 E17It Gets the Worst at Night
May 9, 200742 min
When Mouth and Rachel's road trip goes wrong, the other teens go out to their rescue. While on the trip, Nathan and Haley get a second chance to enjoy their Prom and Peyton and Lucas decide to take their relationship to the next level. Fina
S4 E18The Runaway Found
May 16, 200742 min
Brooke and Peyton finally rekindle their friendship, Nathan's past mistakes continue to haunt him and Haley, and Lucas hears a shocking confession from the witness to Keith's murder.
S4 E19Ashes of Dreams You Let Die
May 30, 200741 min
As the end of the school year approaches, Peyton considers participating in a music internship in Los Angeles, while Brooke tries to reconnect with Chase through yearbook signatures, and Haley struggles to write her valedictorian speech. Me
S4 E20The Birth and Death of the Day
Jun 6, 200742 min
As graduation approaches, Haley prepares for the recital of her valedictorian speech and motherhood. Nathan must adjust to life without basketball, while Brooke makes a confession that may have great consequences. Lucas confronts Dan after
S4 E21All of a Sudden I Miss Everyone
Jun 13, 200742 min
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