NCIS
NCIS, premiered on CBS in September 2003 as a spin-off of a similar series, JAG (Judge Advocate General). The series stars Mark Harmon as Special Agent Leroy Jethro Gibbs of the Naval Criminal Investigative Service.
During the first season the series was initially called, somewhat redundantly, Navy NCIS.
A spin-off of the series, NCIS: Los Angeles premiered in September 2009, with a second, NCIS: New Orleans premiering in September 2014.

Season One 


Original US air dates: 10/21/2003 to 05/25/2004. |

Season Two 


Original US air dates: 09/28/2004 to 05/24/2005. |

Season Three 


Original US air dates: 09/20/2005 to 05/16/2006. |

Season Four 


Original US air dates: 09/16/2006 to 05/22/2007. |

Season Five 


Original US air dates: 09/25/2007 to 05/20/2008. |

Season Six 


Original US air dates: 09/23/2008 to 05/19/2009. |

Season Seven 


Original US air dates: 09/22/2009 to 05/25/2010. |

Season Eight 


Original US air dates: 09/21/2010 to 05/17/2011. |

Season Nine 


Original US air dates: 09/20/2011 to 05/15/2012. |

Season Ten 


Original US air dates: 09/25/2012 to 05/14/2013. |

Season Eleven 


Original US air dates: 09/24/2013 to 05/13/2014. |

Season Twelve 


Original US air dates: 09/23/2014 to 05/12/2015. |

Season Thirteen 


Original US air dates: 09/22/2015 to 05/17/2016. | |
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