When did NCIS Season 4 Episode 1 air?
NCIS Season 4 Episode 1 aired on September 19, 2006 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.

When Ziva is framed for a political assassination, she must avoid the FBI and deal with the consequences without Gibbs' help, who is now enjoying his retirement.
Direct answers for episode-level questions and details.
NCIS Season 4 Episode 1 aired on September 19, 2006 at 8 PM ET.
This episode runs for approximately 44 minutes.
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