One Tree Hill

New faces abound in Tree Hill. Nathan learns of a shocking accusation, Brooke prepares to launch a new line and Julian decides to produce a movie.

Mia (KATE VOEGELE) helps Hayley protect Red Bedroom Records, and Clay defends Nathan against a growing scandal. Brooke casts the face of her clothing line and Dan unveils his bride

Clay and Nathan disagree on how to handle a scandal and Haley begins to question Nathan's loyalty. Alex (recurring guest star JANA KRAMER) makes Julian an interesting proposition.

Nathan's scandal becomes public. Brooke's fashion show brings a new responsibility for Millicent. Haley convinces Quinn to talk to her estranged husband, David (SCOTT HOLROYD).

Haley is thrust into the storm of Nathan's scandal. Clay and Quinn grow closer, and Brooke questions Alex's (JANA KRAMER) motives. Millie's new job may cause trouble for Mouth.

Julian gives Alex (JANA KRAMER) another chance, and Brooke reconnects with Chase (STEPHEN COLLETTI). Meanwhile, Clay lets Quinn in on a big secret.

Dan brings Renee (recurring guest star KATE FRENCH) onto his television show, leaving Nathan and Haley powerless to stop him from revealing the truth of her pregnancy to the world.

Julian agrees to a weekend camping trip but struggles to fit in with Nathan and the guys. Meanwhile, Quinn helps Clay come to terms with a tragic loss.

Haley returns to the stage and Brooke receives life-changing news. Meanwhile, Dan returns to Tree Hill much to the chagrin of Nathan, who is about to sign a new NBA contract.

Nathan reaches the breaking point with Clay, and Brooke comes clean with Julian with her worries regarding his growing connection to Alex (JANA KRAMER).

Julian divulges a secret to Alex (JANA KRAMER) that leads to a confrontation with Brooke. Plus, Millie finds an unlikely supporter in Victoria (DAPHNE ZUNIGA).

As Nathan and Haley prepare for the family's move, Brooke struggles to accept Julian's reaction to Alex's (JANA KRAMER) crisis. Millie's downward spiral continues.

Nathan and Jamie join Haley on tour and Brooke and Julian reconnect after their six-week break. Meanwhile, Alex (JANA KRAMER) tries to make amends with people she let down.

Clay helps Quinn through dinner with David (SCOTT HOLROYD) and Haley. Julian sticks up for Alex (JANA KRAMER) on the set of their movie, and Brooke leans on Alexander (MITCH RYAN).

In an episode dedicated to the memory of the late writer/director John Hughes, chaos surrounds an '80s-themed alumni dance at the high school. Julian relives his dorky teens.

Nathan and Haley receive a surprise visit, Clay supports Quinn as she faces unexpected news and Alex (JANA KRAMER) sets her sights on Alexander (MITCH RYAN).

Nathan tries to help Haley and Jamie confront Lydia's (BESS ARMSTRONG) situation. Miranda (INDIA DE BEAUFORT) tries to prove that she should produce Grubbs' (MICHAEL GRUBBS) album.

Brooke angrily deals with Alex's (JANA KRAMER) tryst with Julian, and Clay is forced to deal with Katie's (AMANDA SCHULL) unsettling advances.

On the eve of Quinn's gallery opening, an uninvited guest ambushes Clay. Haley struggles with her mother's death. Skills learns the truth about Lauren (ALLISON MUNN) and Mouth.

Alex discovers a secret about her leading man, Josh (PAUL TEAL), that could derail Julian's film. Clay is confronted by an unstable Katie (AMANDA SCHULL).

Haley closes off from her family. Quinn leads Jamie on a treasure hunt. Julian shows his finished film to Brooke. Clay is forced to deal with a deranged Katie (AMANDA SCHULL).

Haley tries to overcome her depression by joining Nathan, Jamie and the rest of the Tree Hill gang on a trip to Utah for the premiere of Julian's film.