1. The Good Son
Director Vance's brother-in-law is the lead suspect when Gibbs (Mark Harmon, right) and the NCIS team investigate the murder of a petty officer. Pictured left to right: Cote de Pablo, Michael Weatherly, Sean Murray, David McCallum (kneeling) and Mark Harmon. Photo: Cliff Lipson/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.