Dick Tracy

Sept. 1: "One Tree Hill" (9 p.m., The CW)

Those wondering who Lucas invited to Vegas for that quickie wedding in the Season 5 cliff-hanger won't have to wonder much longer. Whether it was Brooke, Peyton or Lindsey is revealed in the opener. The season also boasts an episode ... morewritten by star Chad Michael Murray, which is a 1930s noir story he describes as "kind of 'Casablanca' meets 'Dick Tracy.'" (The CW)