UFOs
S04E16 Dead Man Walking
After a Navy Lieutenant suffers from radiation poisoning, the NCIS team springs into action to uncover the culprit responsible. The Lieutenant, employed by the International Atomic Energy Agency, insists that only two of his coworkers were aware of his mission. It's clear that one of them aimed to sabotage his upcoming investigation.
Season 4 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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18
19
20
21
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Shalom
Escaped
Singled Out
Faking It
Dead and Unburied
Witch Hunt
Sandblast
Once a Hero
Twisted Sister
Smoked
Driven
Suspicion
Sharif Returns
Blowback
Friends and Lovers
Dead Man Walking
Skeletons
Iceman
Grace Period
Cover Story
Brothers in Arms
In the Dark
Trojan Horse
Angel of Death