One Tree Hill (2003 - 2012): First Day on a Brand New Planet

It's the first day of senior year and estranged spouses Nathan (James Lafferty) and Haley (Bethany Joy Lenz) have trouble adjusting as classmates. While Brooke (Sophia Bush) continues to play hard-to-get, Lucas (Chad Michael Murray) learns a troubling secret about Peyton's (Hilarie Burton) mom. Meanwhile, Dan (Paul Johansson) closes in on the truth about the dealership fire.