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- NCIS season 4
Season of television series
The fourth season of the police procedural drama NCIS was originally broadcast between September 19, 2006, and May 22, 2007. Special Agent Leroy Jethro Gibbs left NCIS at the end of season three after a terrorist attack had been successful because his superiors did not heed his warnings in time. The team is now led by Anthony DiNozzo for a short time until Gibbs' eventual return. New characters in... Wikipedia
