<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="3"> Originally aired </Th> <Th colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Network </Th> <Th> Rank </Th> <Th> Average viewership ( in millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 13 , 2005 ( 2005 - 09 - 13 ) </Td> <Td> May 4 , 2006 ( 2006 - 05 - 04 ) </Td> <Td> The WB </Td> <Td> 165 </Td> <Td> 3.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 28 , 2006 ( 2006 - 09 - 28 ) </Td> <Td> May 17 , 2007 ( 2007 - 05 - 17 ) </Td> <Td> The CW </Td> <Td> 216 </Td> <Td> 3.14 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 16 </Td> <Td colspan="1"> October 4 , 2007 ( 2007 - 10 - 04 ) </Td> <Td> May 15 , 2008 ( 2008 - 05 - 15 ) </Td> <Td> 187 </Td> <Td> 2.74 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 18 , 2008 ( 2008 - 09 - 18 ) </Td> <Td> May 14 , 2009 ( 2009 - 05 - 14 ) </Td> <Td> 161 </Td> <Td> 3.14 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 5 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 10 , 2009 ( 2009 - 09 - 10 ) </Td> <Td> May 13 , 2010 ( 2010 - 05 - 13 ) </Td> <Td> 125 </Td> <Td> 2.64 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 6 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 24 , 2010 ( 2010 - 09 - 24 ) </Td> <Td> May 20 , 2011 ( 2011 - 05 - 20 ) </Td> <Td> 209 </Td> <Td> 2.42 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 7 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> September 23 , 2011 ( 2011 - 09 - 23 ) </Td> <Td> May 18 , 2012 ( 2012 - 05 - 18 ) </Td> <Td> 176 </Td> <Td> 2.03 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 8 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 3 , 2012 ( 2012 - 10 - 03 ) </Td> <Td> May 15 , 2013 ( 2013 - 05 - 15 ) </Td> <Td> 152 </Td> <Td> 2.52 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 9 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 8 , 2013 ( 2013 - 10 - 08 ) </Td> <Td> May 20 , 2014 ( 2014 - 05 - 20 ) </Td> <Td> 141 </Td> <Td> 2.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 10 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2014 ( 2014 - 10 - 07 ) </Td> <Td> May 20 , 2015 ( 2015 - 05 - 20 ) </Td> <Td> 156 </Td> <Td> 2.02 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 11 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2015 ( 2015 - 10 - 07 ) </Td> <Td> May 25 , 2016 ( 2016 - 05 - 25 ) </Td> <Td> 131 </Td> <Td> 2.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 12 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 13 , 2016 ( 2016 - 10 - 13 ) </Td> <Td> May 18 , 2017 ( 2017 - 05 - 18 ) </Td> <Td> 132 </Td> <Td> 2.62 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 13 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 12 , 2017 ( 2017 - 10 - 12 ) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="3"> Originally aired </Th> <Th colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Network </Th> <Th> Rank </Th> <Th> Average viewership ( in millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 13 , 2005 ( 2005 - 09 - 13 ) </Td> <Td> May 4 , 2006 ( 2006 - 05 - 04 ) </Td> <Td> The WB </Td> <Td> 165 </Td> <Td> 3.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 28 , 2006 ( 2006 - 09 - 28 ) </Td> <Td> May 17 , 2007 ( 2007 - 05 - 17 ) </Td> <Td> The CW </Td> <Td> 216 </Td> <Td> 3.14 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 16 </Td> <Td colspan="1"> October 4 , 2007 ( 2007 - 10 - 04 ) </Td> <Td> May 15 , 2008 ( 2008 - 05 - 15 ) </Td> <Td> 187 </Td> <Td> 2.74 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 18 , 2008 ( 2008 - 09 - 18 ) </Td> <Td> May 14 , 2009 ( 2009 - 05 - 14 ) </Td> <Td> 161 </Td> <Td> 3.14 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 5 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 10 , 2009 ( 2009 - 09 - 10 ) </Td> <Td> May 13 , 2010 ( 2010 - 05 - 13 ) </Td> <Td> 125 </Td> <Td> 2.64 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 6 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 24 , 2010 ( 2010 - 09 - 24 ) </Td> <Td> May 20 , 2011 ( 2011 - 05 - 20 ) </Td> <Td> 209 </Td> <Td> 2.42 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 7 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> September 23 , 2011 ( 2011 - 09 - 23 ) </Td> <Td> May 18 , 2012 ( 2012 - 05 - 18 ) </Td> <Td> 176 </Td> <Td> 2.03 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 8 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 3 , 2012 ( 2012 - 10 - 03 ) </Td> <Td> May 15 , 2013 ( 2013 - 05 - 15 ) </Td> <Td> 152 </Td> <Td> 2.52 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 9 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 8 , 2013 ( 2013 - 10 - 08 ) </Td> <Td> May 20 , 2014 ( 2014 - 05 - 20 ) </Td> <Td> 141 </Td> <Td> 2.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 10 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2014 ( 2014 - 10 - 07 ) </Td> <Td> May 20 , 2015 ( 2015 - 05 - 20 ) </Td> <Td> 156 </Td> <Td> 2.02 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 11 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2015 ( 2015 - 10 - 07 ) </Td> <Td> May 25 , 2016 ( 2016 - 05 - 25 ) </Td> <Td> 131 </Td> <Td> 2.81 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 12 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 13 , 2016 ( 2016 - 10 - 13 ) </Td> <Td> May 18 , 2017 ( 2017 - 05 - 18 ) </Td> <Td> 132 </Td> <Td> 2.62 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 13 </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 12 , 2017 ( 2017 - 10 - 12 ) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table>
when did season 13 of supernatural come out
when did season 13 of supernatural come out
October 12 , 2017
October 12 , 2017