Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.
| Title | Nature of the Beast |
|---|---|
| Genres | Crime Drama Action & Adventure |
| Release Date | 2011-09-20 |
| Episode Runtime | 00 Hours 49 Minutes |
| Season Number | 9 |
| Episode Number | 1 |
| Production Companies | Paramount Television, Belisarius Productions, CBS Studios |
