Spoilers here:

Subject: “LIFE UNEXPECTED” CROSSOVER EVENT WITH “ONE TREE HILL” ON TUESDAY, OCTOBER 12

Crossover Also Features Performances By “One Tree Hill’s” Bethany Joy Galeotti AndKate Voegele, Plus Ben Lee And Rain PerrySeptember 1, 2010 (Burbank, CA) – Grammy Award-winner Sarah McLachlan performs hernew single “Forgiveness” in the “Life Unexpected” crossover episode with “One Tree Hill,” which is currently filming in Vancouver. The episode will air Tuesday,October 12 (9:00-10:00 p.m. ET) on The CW. Also singing in the episode will be “OneTree Hill” series star Bethany Joy Galeotti (Haley) and recurring guest star Kate Voegele (Mia), along with Ben Lee and Rain Perry (singer/songwriter of the “LifeUnexpected” theme song).The crossover episode of “Life Unexpected” brings “One Tree Hill” characters Haley and Mia to a music festival, sponsored by a Portland radio station and hosted byRyan (Kerr Smith). At the concert, Haley and Cate (Shiri Appleby) meet and discover that they have incredibly similar pasts. It turns out that both women were somewhat nerdy, overachieving teenagers who got pregnant in high school by athletes named Nate (or Nathan). And when a secret of Cate’s gets outed, Cate turns to Haley for advice.