<P> Grey's Anatomy was among the ten highest - rated shows in the United States from the show's first through fourth season . The show's episodes have won a number of awards, including a Golden Globe Award for Best Drama Series, a People's Choice Award for Favorite TV Drama, and multiple NAACP Image Awards for Outstanding Drama Series . Since its premiere, Buena Vista Home Entertainment has distributed all seasons on DVD . There have been several special episodes recapping events from previous episodes, and two series of webisodes . </P> <P> As of November 16, 2017, 301 episodes of Grey's Anatomy have aired, including five specials . On February 10, 2017, ABC renewed the series for a fourteenth season, which featured the show's 300th episode . </P> <Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="3"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Rating </Th> <Th> Tied with </Th> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 9 </Td> <Td_colspan="1"> March 27, 2005 (2005 - 03 - 27) </Td> <Td> May 22, 2005 (2005 - 05 - 22) </Td> <Td> 8 </Td> <Td> 11.6 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 27 </Td> <Td_colspan="1"> September 25, 2005 (2005 - 09 - 25) </Td> <Td> May 15, 2006 (2006 - 05 - 15) </Td> <Td> 5 </Td> <Td> 12.5 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 25 </Td> <Td_colspan="1"> September 21, 2006 (2006 - 09 - 21) </Td> <Td> May 17, 2007 (2007 - 05 - 17) </Td> <Td> 7 </Td> <Td> 12.1 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> </Td> <Td_colspan="2"> 17 </Td> <Td_colspan="1"> September 27, 2007 (2007 - 09 - 27) </Td> <Td> May 22, 2008 (2008 - 05 - 22) </Td> <Td> 9 </Td> <Td> 10.4 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 5 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 25, 2008 (2008 - 09 - 25) </Td> <Td> May 14, 2009 (2009 - 05 - 14) </Td> <Td> 10 </Td> <Td> 9.6 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 6 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 24, 2009 (2009 - 09 - 24) </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Td> 11 </Td> <Td> 9.0 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 7 </Td> <Td_colspan="2"> 22 </Td> <Td_colspan="1"> September 23, 2010 (2010 - 09 - 23) </Td> <Td> May 19, 2011 (2011 - 05 - 19) </Td> <Td> 17 </Td> <Td> 7.5 </Td> <Td> The Voice Hawaii Five - 0 Desperate Housewives </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 8 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 22, 2011 (2011 - 09 - 22) </Td> <Td> May 17, 2012 (2012 - 05 - 17) </Td> <Td> 21 </Td> <Td> 7.6 </Td> <Td> Hawaii Five - 0 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 9 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 27, 2012 (2012 - 09 - 27) </Td> <Td> May 16, 2013 (2013 - 05 - 16) </Td> <Td> 18 </Td> <Td> 7.7 </Td> <Td> CSI: Crime Scene Investigation The Mentalist Modern Family Vegas </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 10 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 26, 2013 (2013 - 09 - 26) </Td> <Td> May 15, 2014 (2014 - 05 - 15) </Td> <Td> 11 </Td> <Td> 8.5 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 11 </Td> <Td_colspan="2"> 25 </Td> <Td_colspan="1"> September 25, 2014 (2014 - 09 - 25) </Td> <Td> May 14, 2015 (2015 - 05 - 14) </Td> <Td> 17 </Td> <Td> 7.8 </Td> <Td> 60 Minutes Hawaii Five - 0 </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 12 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 24, 2015 (2015 - 09 - 24) </Td> <Td> May 19, 2016 (2016 - 05 - 19) </Td> <Td> 11 </Td> <Td> 7.9 </Td> <Td> The Voice: Tuesday </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 13 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 22, 2016 (2016 - 09 - 22) </Td> <Td> May 18, 2017 (2017 - 05 - 18) </Td> <Td> 16 </Td> <Td> 7.3 </Td> <Td> N / A </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 14 </Td> <Td_colspan="2"> 24 </Td> <Td_colspan="1"> September 28, 2017 (2017 - 09 - 28) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Season </Th> <Th_colspan="2"> Episodes </Th> <Th_colspan="2"> Originally aired </Th> <Th_colspan="3"> Nielsen ratings </Th> </Tr>

How many episodes of greys anatomy in season 4