19.10.10
Episode 17 - The Smoker You Drink, The Player You Get. As Haley's due date approaches, she takes steps to ensure that all her friends and family will be ready when the time comes. Brooke and Julian also prepare to begin a family, while Chuck turns to Chase for help with a problem.

Episode 16 - I Think I'm Going to Like It Here.
The girls plan a surprise baby shower for Haley, and the guys participate in try-outs for Jamie's baseball team. Julian and Brooke decide they'd like to adopt a child, and Mouth helps Millie prepare for her first day of work.
Episode 15 - Valentine’s Day Is Over. Sex games, secrets and shoelaces all come into play as the couples of Tree Hill celebrate Valentine’s Day.
Episode 14 - Holding Out for a Hero. Brooke, Quinn and Haley decide to use their talents for the greater good. Meanwhile, Julian takes on a directing job and helps out a friend, and Chase mentors Chuck.
Episode 13 - The Other Half of Me. Brooke and Julian's wedding day is finally here. Dreams become reality, secrets are revealed and wedding hookups are inevitable.
Episode 12 - The Drinks We Drank Last Night. After a wild night out on the town for her bachelorette party, Brooke and the girls try to piece together the night before amidst the wreckage of the day after.
Episode 11 - Darkness On the Edge of Town.
A storm strikes Tree Hill, putting everyone’s life in danger.
Episode 10 - Lists, Plans.
Brooke and Julian go skydiving, while Haley sets up a concert at Tric featuring Kid Cudi. Meanwhile, Quinn sneaks out of town to visit a familiar face.
Episode 9 - Between Raising Hell and Amazing Grace. As Halloween approaches in Tree Hill, Brooke and Julian get an unexpected visitor, and Nathan begins a new career. Meanwhile, Clay and Quinn struggle with life back at the beach house, and Haley and Mia host an open mic night at Tric.
Episode 8 - Mouthful of Diamonds.
Nathan’s career as an agent takes a big step forward when he visits Atlanta, and the drama between Brooke and Sylvia finally comes to a head.
Episode 7 - Luck Be A Lady. As the wedding approaches, Brooke tries to connect with Sylvia, while Julian looks for his best man at a guys’ poker night. Meanwhile, Nathan struggles in his new job, while Haley’s counseling abilities are challenged, and Skills returns to town with a new friend.
Episode 6 - Not Afraid. As Halloween approaches in Tree Hill, Brooke and Julian get an unexpected visitor, and Nathan begins a new career. Meanwhile, Clay and Quinn struggle with life back at the beach house, and Haley and Mia host an open mic night at Tric.
Episode 5 - Nobody Taught Us to Quit.
As Clay is discharged from the hospital, Nathan contemplates walking away from the NBA. Meanwhile, Brooke and Victoria disagree on how to handle the company's financial problems, and Chase discovers a secret about Alex.
Episode 4 - We All Fall Down.
Brooke deals with the mounting financial troubles at Clothes Over Bros. Nathan and Haley come to a conclusion regarding Nathan's career. Julian begins a new film project and Alex spends an afternoon with Chase!
Episode 3 - The Space In Between. As the situation at the hospital worsens; Nathan makes a huge decision regarding his career. Brooke and Julian take Jamie for the day, while Victoria and Millicent hatch a plan.
Episode 2 - I Can't See You, But I Know You're There.
Clay and Quinn discover they've been shot, and as they fight to live, Nathan and Haley struggle with the situation. Meanwhile, Julian tries to preoccupy Jamie, and Brooke's legal troubles mount.
Episode 1 - Asleep at Heaven's Gate.
As the gang returns from Utah, Brooke and Julian are engaged, Haley learns that she is pregnant, Nathan must leave for training camp, and Clay and Quinn are assaulted and shot by Katie.