Aside from their love for hoops, Lucas and Nathan seemed to have little in common. But the two young men are bound by the fact that they share the same father. The star of the basketball team, Nathan hails from a wealthy family, while his half-brother, Lucas, is the only child of a single mom.
Lucas' transition into Nathan's world created an instant love triangle with Peyton. Although she was Nathan's girlfriend at the time, Peyton felt an instant connection to Lucas. Complicating things even more, Peyton's feisty best friend, Brooke, quickly set her sights on Lucas as well. And it didn't take Nathan long to notice Lucas' best friend, Haley, an intriguing girl who helped Nathan become a kinder person in the process.
01 - Like You Like an Arsonist
Aside from their love for basketball, self-assured Nathan Scott (series star JAMES LAFFERTY) and quietly driven Lucas Scott (series star CHAD MICHAEL MURRAY) initially seemed to have little in common. Even though the two boys share the same father, they grew up on opposite sides of the tracks in the small town of Tree Hill, North Carolina. But two years ago, Lucas and Nathan came together and even played on the same high school basketball team. Nathan married Lucas' best friend, Haley James (series star BETHANY JOY LENZ), and the half-brothers share the same friends in classmates Peyton Sawyer (series star HILARIE BURTON), Brooke Davis (series star SOPHIA BUSH) and Mouth (series star LEE NORRIS). While the teenagers adjust to their shifting relationships, the town's adults--Dan (series star PAUL JOHANSSON), father of Nathan and Lucas; Dan's estranged wife, Deb (series star BARBARA ALYN WOODS); Lucas' mother, Karen Roe (series star MOIRA KELLY); Dan's older brother, Keith (series star CRAIG SHEFFER); and grizzled high school basketball coach Whitey Durham (series star BARRY CORBIN)--cope with the consequences of their past actions.In the season premiere, after spending the summer out of town, Brooke returns to Tree Hill. Lucas welcomes his mother at the airport. Peyton investigates a mysterious woman who claims to be her mother. Meanwhile, Nathan must deal with Haley's reappearance and the aftermath of the fire at Scott Motors. Dan's fate after the fire is revealed.
02 - From the Edge of the Deep Green Sea
Brooke organizes a beach party to celebrate the end of summer but soon finds she's the only one in a party mood. Nathan comes home to reconnect with Haley, but now he and Lucas aren't getting along. Meanwhile, Lucas struggles with Brooke's new rules for dating, and Peyton tries to come to terms with the newly discovered secrets about her family. Finally, Dan remembers what happened the night of the fire at his dealership.
03 - First Day on a Brand New Planet
On the first day of senior year, estranged spouses Nathan and Haley have trouble adjusting as classmates. While Brooke continues to play hard-to-get, Lucas learns a troubling secret about Peyton's mom. Meanwhile, Dan starts to uncover the truth about the dealership fire.
04 - An Attempt to Tip the Scales
It's party time in Tree Hill. A masquerade ball at the club Tric provides the perfect opportunity for Haley to win back Nathan's heart and for Brooke to seduce Lucas. Members of the punk-pop sensation FALL OUT BOY (themselves) perform amidst the costumed madness, while Peyton tries to accept her recently revealed birth mother. Meanwhile, Dan gives Deb an ultimatum, but he soon discovers she's a much more worthy opponent than he thought.
05 - A Multitude of Casualties
The Ravens officially begin basketball practice--with explosive results. Nathan, the new team captain, clashes with Lucas over Haley. Brooke selects Rachel (recurring guest star DANNEEL HARRIS - "Joey") to fill a vacancy on the cheerleading squad but regrets her choice when the new girl is noticeably interested in Lucas. Meanwhile, Dan's bid for mayor takes a surprising turn when an unlikely opponent steps forward.
06 - Locked Hearts and Hand Grenades
In an effort to keep her cheerleaders from fighting over the same guys, Brooke devises a "Fantasy Boy Draft." Haley and Peyton butt heads over Nathan, while Lucas has trouble keeping up with the brutal pace of basketball practice. Meanwhile, as the election nears, mayoral candidate Dan clashes with his new opponent.
07 - Champagne for My Real Friends, Real Pain for My Sham Friends
As the fantasy draft dates begin, Brooke finds herself on an unusual double date, while Lucas gets closer to Rachel (recurring guest star DANNEEL HARRIS). Mouth spends time with an old friend, and Peyton regrets choices she has made. Karen and Deb take their campaigning to new heights. Series star PAUL JOHANSSON directed the episode.
08 - The Worst Day Since Yesterday
As the town readies for the Ravens' first basketball game, Lucas worries about his lack of commitment to basketball. Nathan accuses Lucas of being the team's weakest link. Peyton and Haley ignore past differences to support Brooke in a time of need. When the mayoral race tightens, Dan resorts to a smear campaign.
09 - How a Resurrection Really Feels
Lucas reveals that he knows who tried to kill Dan. Brooke, Peyton and Haley find themselves behind bars. Chris Keller (recurring guest star TYLER HILTON - "Walk the Line") convinces Nathan to help him at a high-stakes poker game. And the residents of Tree Hill finally choose a mayor.
10 - Brave New World
Lucas and Peyton take a road trip together to find Ellie (recurring guest star SHERYL LEE). While out of town, Lucas reconnects with a friend from his past. Brooke, Haley and Mouth successfully launch the Clothes Over Bro's web site, only to find that demand far exceeds supply. Deb reveals to Nathan that she tried to kill Dan.
11 - Return of the Future
After losing their second game of the season, the Ravens receive tough love from Whitey. Peyton and Ellie (recurring guest star SHERYL LEE) try to recruit rock band Nada Surf for their benefit album. Haley reveals a disturbing fact to Nathan, and Brooke plans a romantic night for Lucas after learning that he submitted her fashion designs to a prestigious competition in New York.
12 - I've Got Dreams to Remember
When a guidance counselor challenges the students of Tree Hill to consider their futures, Nathan and Lucas feel pressured to impress an important basketball scout. Mouth gets caught between Brooke and Rachel (recurring guest star DANNEEL HARRIS). Peyton and Ellie (recurring guest star SHERYL LEE) grow closer while finalizing their CD. And Dan tells Haley that Nathan paid Chris Keller (recurring guest star TYLER HILTON) to come back into her life.
13 - The Wind That Blew My Heart Away
A violent rainstorm knocks out the power in Tree Hill, leading Haley to Nathan's doorstep and Brooke into the downpour for a dramatic confrontation with Lucas. Peyton finally confronts the truth about Ellie's (recurring guest star SHERYL LEE) illness, while Mouth is tempted by his new friend, Rachel (recurring guest star DANNEEL HARRIS). Before morning, secrets are revealed, relationships are tested, and new love gets hotter than ever.
14 - All Tomorrow's Parties
Brooke must grow up in a hurry when her trip to a New York City fashion show prevents her from attending an annual cheerleading tournament. Nathan and Lucas are influenced by the father of an old friend. Struggling with her mother's cancer, Peyton joins Rachel (recurring guest star DANNEEL HARRIS) for a night of blowing off steam. And Haley and Nathan use their hotel room as the honeymoon suite they never had.
15 - Just Watch the Fireworks
When someone reveals the contents of the students' time capsule, Lucas and Mouth must confront a person from their past. Brooke has to deal with the revelation that secrets aren't the only things she exposed in the time capsule. Dan learns to forgive Keith. And Haley is forced to reconcile the man Nathan used to be with the man he has become. Meanwhile, Peyton's Breast Cancer Benefit Concert at Tric features performances by Haley and members of the bands JACK'S MANNEQUIN (themselves) and FALL OUT BOY (themselves).
16 - With Tired Eyes, Tired Minds, Tired Souls, We Slept
A normal day becomes deadly when a despondent student brings a gun to Tree Hill High. While lives hang in the balance, Nathan and Lucas put themselves at risk to protect their friends and loved ones.
17 - Who Will Survive, and What Will Be Left of Them.
The aftermath of the school shooting forces the residents of Tree Hill to examine their lives. Nathan reassesses his relationship with Haley, while Brooke and Rachel (recurring guest star DANNEEL HARRIS) join forces to heal the student body. Dan must deal with the ramifications of shooting Keith. And Lucas and Peyton consider the implications of their kiss in the library.
18 - When It Isn't Like it Should Be
Rachel (recurring guest star DANNEEL HARRIS) invites the gang to her family's cabin for a weekend getaway. Lucas, Brooke and Nathan conspire to surprise Haley, while Peyton receives an unexpected visitor at the cabin. Mouth harbors resentment towards Rachel, and a game of "I Never" reveals a secret. Meanwhile, Karen confronts Dan about Keith's death.
19 - I Slept with Someone from Fall Out Boy and All I Got Was This Stupid Song Written About Me
Lucas struggles with whether or not he should play basketball now that Keith is dead. Brooke forces Rachel (recurring guest star DANNEEL HARRIS) to deal with a dark secret. Nathan and Haley's reprise wedding plans are put to the test. And Peyton decides to go to Chicago and visit PETE WENTZ (himself) of the band Fall Out Boy. Moira Kelly made her directorial debut with this episode.
20 - Everyday is a Sunday Evening
It's the weekend of the Coastal Classic basketball game, and with Lucas sidelined, Nathan has to step up on the court against an old rival who shows an interest in Haley. Brooke and Mouth plot revenge against Rachel (recurring guest star DANNEEL HARRIS) while Dan goes head to head with Nathan's uncle. Also, Peyton makes a life-altering decision.
21 - Over the Hills and Far Away
On the night before Nathan and Haley's wedding, Brooke argues with Haley over the wedding dress. Meanwhile, Lucas and Karen return to Tree Hill, and Peyton makes a startling discovery.
22 - The Show Must Go On
In the season finale, Nathan worries for Haley's safety, and Peyton and Brooke's friendship is tested prior to the wedding. Meanwhile, Deb tells Dan the truth about the dealership fire. And Karen finds herself needing Keith more than ever.