1. "Sans Voir"
LL COOL J (Special Agent Sam Hanna). Callen and the NCIS: LA team confront their vengeful adversary, the Chameleon, when an undercover case ignites a deadly mind game orchestrated by the criminal mastermind, on a special two-hour season finale of NCIS: LOS ANGELES. Photo: Ron P. Jaffe/ CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.