ONE TREE HILL

In the series premiere, Tree Hill is a new place. It's been four years since the gang left, and in many ways, the journey is just beginning.

Tensions run high as Lucas must face his past and choose his future, all while discovering the demands of coaching the Tree Hill Ravens. Haley makes the decision to hire a nanny.

The gang continues to struggle with new challenges at work. Kevin Federline guest stars as a problematic musician.

The gang's struggles at work continue to escalate, and Haley finds herself in back in the recording studio. Guest star Kevin Federline returns as a problematic musician.

In an episode set three years in the past, characters grapple with decisions that still affect their lives today.

Confrontations abound in Tree Hill. Lucas confronts Peyton about her harsh treatment of his editor, Lindsey, and Brooke intervenes when Victoria meddles with Peyton's record label.

It's a Tree Hill reunion as the entire gang gathers at Tric to see musical group The Honorary Title perform.

The gang struggles to redefine changing relationships.

At the first Ravens basketball game of the season, Haley, Brooke, Peyton, Lindsey and Mia find themselves locked in the Tree Hill High library.

When Brooke takes Owen (recurring guest star JOE MANGANIELLO) to New York for a glimpse of her other life, she's faced with a ghost from her past.

On the eve of their own wedding, Lucas and Lindsey (recurring guest star MICHAELA McMANUS) conspire to save Nathan and Haley's marriage.

It's Lucas and Lindsey's (recurring guest star MICHAELA McMANUS) wedding day and Peyton must choose whether to intervene or lose her true love forever. This is the series' 100th episode.

Lucas deals with being left at the altar; Nathan and Haley deal with repercussions of Jamie's (JACKSON BRUNDAGE) abduction; and Brooke considers adopting.

Lucas and Peyton finally discuss Lucas' aborted wedding, and Brooke gets a phone call that could change her life.

Lindsey (MICHAELA McMANUS) returns for Jamie's (JACKSON BRUNDAGE) fifth birthday, giving Lucas hope for their relationship. Dan (PAUL JOHANNSSON) divulges a grave secret.

Lucas looks into Dan's (PAUL JOHANNSSON) illness, Nathan urges Quentin (ROBBIE JONES) to reinvent his game, Brooke juggles life as a mom and Mouth gets a shot as a sports anchor.

Lucas is crushed by devastating news, and Brooke's baby needs emergency surgery. Skills and Nathan, in an effort to salvage the Raven's season, employ a risky game plan.

In the season finale, everyone faces their fears. Brooke deals with giving up her baby, Lucas deals with his game-night fight and Peyton gets news about a ghost from her past.