Season 3, Episode 12 The Watchers
First Aired: January 3, 2012
Nell goes undercover when a researcher for the defense department is murdered and she's asked to replace him.
Cast & Details See all »
- Premiered: September 22, 2009
- Rating: TV-14
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- Premise: NCIS undercover agents work to crack the most difficult cases in Los Angeles. (more)