<P> On April 5, 2016, long - time director Dennis Smith announced he had completed his final episode as part of the NCIS crew, though to which episode he was referring was not specified . </P> <P> On February 29, 2016, the series was renewed for a fourteenth and fifteenth season . As of November 7, 2017, 337 episodes of NCIS have aired . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> Intro </Td> <Td_colspan="2"> </Td> <Td_colspan="1"> April 22, 2003 (2003 - 04 - 22) </Td> <Td> April 29, 2003 (2003 - 04 - 29) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 23 </Td> <Td_colspan="1"> September 23, 2003 (2003 - 09 - 23) </Td> <Td> May 25, 2004 (2004 - 05 - 25) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 23 </Td> <Td_colspan="1"> September 28, 2004 (2004 - 09 - 28) </Td> <Td> May 24, 2005 (2005 - 05 - 24) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 20, 2005 (2005 - 09 - 20) </Td> <Td> May 16, 2006 (2006 - 05 - 16) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 19, 2006 (2006 - 09 - 19) </Td> <Td> May 22, 2007 (2007 - 05 - 22) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 5 </Td> <Td_colspan="2"> 19 </Td> <Td_colspan="1"> September 25, 2007 (2007 - 09 - 25) </Td> <Td> May 20, 2008 (2008 - 05 - 20) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 6 </Td> <Td_colspan="2"> 25 </Td> <Td_colspan="1"> September 23, 2008 (2008 - 09 - 23) </Td> <Td> May 19, 2009 (2009 - 05 - 19) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 7 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 22, 2009 (2009 - 09 - 22) </Td> <Td> May 25, 2010 (2010 - 05 - 25) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 8 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 21, 2010 (2010 - 09 - 21) </Td> <Td> May 17, 2011 (2011 - 05 - 17) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 9 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 20, 2011 (2011 - 09 - 20) </Td> <Td> May 15, 2012 (2012 - 05 - 15) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 10 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 25, 2012 (2012 - 09 - 25) </Td> <Td> May 14, 2013 (2013 - 05 - 14) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 11 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 24, 2013 (2013 - 09 - 24) </Td> <Td> May 13, 2014 (2014 - 05 - 13) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 12 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 23, 2014 (2014 - 09 - 23) </Td> <Td> May 12, 2015 (2015 - 05 - 12) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 13 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 22, 2015 (2015 - 09 - 22) </Td> <Td> May 17, 2016 (2016 - 05 - 17) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 14 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 20, 2016 (2016 - 09 - 20) </Td> <Td> May 16, 2017 (2017 - 05 - 16) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 15 </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 26, 2017 (2017 - 09 - 26) </Td> <Td> TBA </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> </Tr>

When did the new season of ncis la start