1. Nature of the Beast (2011)
Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.
Release date: 2011-09-20
User rating:
7.2 / 10
6 votes
Season number: 9
Episode number: 1
Runtime: 44 minutes
Director: Tony Wharmby
Writer: Gary Glasberg
