When did NCIS Season 16 Episode 21 air?
NCIS Season 16 Episode 21 aired on April 30, 2019 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 entering cold case DNA into the system, Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free.
Direct answers for episode-level questions and details.
NCIS Season 16 Episode 21 aired on April 30, 2019 at 8 PM ET.
This episode runs for approximately 43 minutes.
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