<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 ( in millions inc . DVR ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> January 26 , 2017 ( 2017 - 01 - 26 ) </Td> <Td> May 11 , 2017 ( 2017 - 05 - 11 ) </Td> <Td> 154 </Td> <Td> 1.69 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> October 11 , 2017 ( 2017 - 10 - 11 ) </Td> <Td> May 16 , 2018 ( 2018 - 05 - 16 ) </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 viewers ( in millions inc . DVR ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 13 </Td> <Td colspan="1"> January 26 , 2017 ( 2017 - 01 - 26 ) </Td> <Td> May 11 , 2017 ( 2017 - 05 - 11 ) </Td> <Td> 154 </Td> <Td> 1.69 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 22 </Td> <Td colspan="1"> October 11 , 2017 ( 2017 - 10 - 11 ) </Td> <Td> May 16 , 2018 ( 2018 - 05 - 16 ) </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table>
how many episodes does riverdale season 2 have
how many episodes does riverdale season 2 have
22
22