<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="2"> Originally aired </Th> <Th colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Average viewers ( millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 23 , 2013 ( 2013 - 09 - 23 ) </Td> <Td> May 12 , 2014 ( 2014 - 05 - 12 ) </Td> <Td> 6 </Td> <Td> 14.95 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 22 , 2014 ( 2014 - 09 - 22 ) </Td> <Td> May 14 , 2015 ( 2015 - 05 - 14 ) </Td> <Td> 14 </Td> <Td> 13.76 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 1 , 2015 ( 2015 - 10 - 01 ) </Td> <Td> May 19 , 2016 ( 2016 - 05 - 19 ) </Td> <Td> 22 </Td> <Td> 11.19 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 22 , 2016 ( 2016 - 09 - 22 ) </Td> <Td> May 18 , 2017 ( 2017 - 05 - 18 ) </Td> <Td> 30 </Td> <Td> 9.25 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 5 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 27 , 2017 ( 2017 - 09 - 27 ) </Td> <Td> May 16 , 2018 ( 2018 - 05 - 16 ) </Td> <Td> 42 </Td> <Td> 8.41 </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Season </Th> <Th colspan="2"> Episodes </Th> <Th colspan="2"> Originally aired </Th> <Th colspan="2"> Nielsen ratings </Th> </Tr> <Tr> <Th> First aired </Th> <Th> Last aired </Th> <Th> Rank </Th> <Th> Average viewers ( millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 23 , 2013 ( 2013 - 09 - 23 ) </Td> <Td> May 12 , 2014 ( 2014 - 05 - 12 ) </Td> <Td> 6 </Td> <Td> 14.95 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 22 , 2014 ( 2014 - 09 - 22 ) </Td> <Td> May 14 , 2015 ( 2015 - 05 - 14 ) </Td> <Td> 14 </Td> <Td> 13.76 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 1 , 2015 ( 2015 - 10 - 01 ) </Td> <Td> May 19 , 2016 ( 2016 - 05 - 19 ) </Td> <Td> 22 </Td> <Td> 11.19 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 22 , 2016 ( 2016 - 09 - 22 ) </Td> <Td> May 18 , 2017 ( 2017 - 05 - 18 ) </Td> <Td> 30 </Td> <Td> 9.25 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> 5 </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> September 27 , 2017 ( 2017 - 09 - 27 ) </Td> <Td> May 16 , 2018 ( 2018 - 05 - 16 ) </Td> <Td> 42 </Td> <Td> 8.41 </Td> </Tr> </Table>
how many seasons are there for the blacklist
how many seasons are there for the blacklist
5
5