Season 9 - Episode 1 - Nature of the Beast 

After spending months tracking down his target, Tony is left with the blood of an NCIS - Unità anticrimine agent on his hands and it’s up to Gibbs to help him put the pieces of the puzzle together.
parole chiavi: NCIS - Unità anticrimine, season 9, episode 1, nature of the beast, full episode, cbs