When did NCIS Season 9 Episode 18 air?
NCIS Season 9 Episode 18 aired on March 20, 2012 at 8 PM ET.


Back in force.
From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has any connection to Navy and Marine Corps personnel, regardless of rank or position.

The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.
Direct answers for episode-level questions and details.
NCIS Season 9 Episode 18 aired on March 20, 2012 at 8 PM ET.
This episode runs for approximately 44 minutes.
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