Someone's clowning around on TV's #1 show, but the biggest shocker is who's fooling around. NCIS Tuesday 8/7c. Only CBS!

NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it's a show that focuses on the sometimes complex and always amusing dynamics of a team forced to work together in high-stress situations. From murder and espionage to terrorism and stolen submarines, these special agents travel the globe to investigate all crimes with Navy or Marine Corps ties. Tune in Tuesdays at 8/7c on CBS!

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