When did NCIS Season 8 Episode 23 air?
NCIS Season 8 Episode 23 aired on May 10, 2011 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.

After new evidence reveals that the Port-to-Port Killer has infiltrated the agency, the NCIS team chases every lead in a race to track him down.
Direct answers for episode-level questions and details.
NCIS Season 8 Episode 23 aired on May 10, 2011 at 8 PM ET.
This episode runs for approximately 43 minutes.
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