When a food truck chef dies suddenly, all signs point to poisoning; Tommy announces some big plans; Maura’s birth mother tries to make amends with her daughter.

The CSI team is lead into the rap music world as they investigate the murders of three rival teen rappers.

Lying in a coma after his race car accident, Nathan dreams of what life would have been like if Dan had stayed with Karen and Lucas instead of marrying Deb….

Nathan is concerned about Lucas’ health, so he tells Karen that Lucas didn’t take the heart test. Dan offers Keith to continue working at the dealership-as vice president. At school,…

Felix organizes a “dare night” to test the limits of his new classmates. While out playing the game, Lucas meets a mysterious new girl, Anna, and the two of them…

Brooke’s new neighbor quickly makes his presence felt among the Tree Hill gang and even comes to Brooke’s rescue when she is caught shoplifting. Nathan and Haley have their first…

Although Nathan and Haley are already married, Tim insists on throwing Nathan a post-wedding bachelor party, while Brooke throws Haley a bachelorette party. Meanwhile, Lucas tries to decide whether he…

With the assistance of Peyton and Brooke, Lucas throws Nathan and Haley a wedding reception. Although Haley’s parents support the marriage, Deb has a difficult time accepting it. Meanwhile, Dan’s…

After Lucas and Keith learn that Dan had a heart attack and is still in the hospital, they decide it is best for them to return to Tree Hill. When…

Rachel invites the gang for a weekend getaway at her family’s cabin. Craziness will ensue, including a game of “I Never” which will cause characters to do things they normally…

The aftermath of the school shooting and the death of Jimmy Edwards forces everyone in Tree Hill to examine their lives. Nathan reassesses his relationship with Haley, while Brooke and…

Due to the aftermath of the release of the time capsule, chaos breaks out. Someone is holding students of Tree Hill hostage with a gun, shooting. While lives hang in…

Brooke is forced to 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…

The fantasy draft dates begin, Lucas finds himself with Rachel and a very familiar setting. Brooke is on a double date with an unusual couple. Mouth and Peyton hang out…

Brooke makes a “Fantasy Boy Draft,” after all of the cheerleaders are fighting over the same guys. Haley and Peyton continue to argue over Nathan. Dan butts heads with Karen…

Nathan must decide which parent to live with after the divorce, but Dan decides to force his hand by threatening to reveal Deb’s darkest secrets in court unless Nathan chooses…

While holding a vigil at Lucas’ bedside as he lays in a coma, Karen meets her son’s new girlfriend and learns from Deb that she is divorcing Dan. Most shocking…

After Whitey cancels basketball practice, Brooke convinces Lucas to let loose and takes him out for a wild night out on the town. Meanwhile, Deb instructs Dan to take Nathan…

Looking for some fun, Brooke and Peyton crash a college party, but things turn ugly when one of the guys in the dorm, Gabe drugs Peyton. After Brooke calls Lucas…

Lucas blows his first Varsity game and decides to quit the team. The wedge between Nathan and Peyton continues to grow after Peyton tires of Nathan’s jabs at Lucas. Meanwhile,…

“Pilot” is the first episode of One Tree Hill’s first season. It first aired on The WB television network in the United States on September 23, 2003. It was written…

As Julian deals with his guilt, Brooke helps Haley confront a new rival cafe, and its difficult owner. Meanwhile, Chase’s new girl has a complicated secret, and Quinn takes extreme…