<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 viewership ( in millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2014 ( 2014 - 10 - 07 ) </Td> <Td> May 19 , 2015 ( 2015 - 05 - 19 ) </Td> <Td> 118 </Td> <Td> 4.62 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 6 , 2015 ( 2015 - 10 - 06 ) </Td> <Td> May 24 , 2016 ( 2016 - 05 - 24 ) </Td> <Td> 112 </Td> <Td> 4.25 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 4 , 2016 ( 2016 - 10 - 04 ) </Td> <Td> May 23 , 2017 ( 2017 - 05 - 23 ) </Td> <Td> 120 </Td> <Td> 3.50 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> TBA </Td> <Td colspan="1"> October 10 , 2017 ( 2017 - 10 - 10 ) </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="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 viewership ( in millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 7 , 2014 ( 2014 - 10 - 07 ) </Td> <Td> May 19 , 2015 ( 2015 - 05 - 19 ) </Td> <Td> 118 </Td> <Td> 4.62 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 6 , 2015 ( 2015 - 10 - 06 ) </Td> <Td> May 24 , 2016 ( 2016 - 05 - 24 ) </Td> <Td> 112 </Td> <Td> 4.25 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 23 </Td> <Td colspan="1"> October 4 , 2016 ( 2016 - 10 - 04 ) </Td> <Td> May 23 , 2017 ( 2017 - 05 - 23 ) </Td> <Td> 120 </Td> <Td> 3.50 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> TBA </Td> <Td colspan="1"> October 10 , 2017 ( 2017 - 10 - 10 ) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table>
when does the new episode of the flash
when does the new episode of the flash
October 10 , 2017
October 10 , 2017