When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjust to her new role on the team.
| Title | Code of Conduct |
|---|---|
| Genres | Crime Drama Action & Adventure |
| Release Date | 2009-10-20 |
| Episode Runtime | 00 Hours 32 Minutes |
| Season Number | 7 |
| Episode Number | 5 |
| Production Companies | Paramount Television, Belisarius Productions, CBS Studios |
