<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> Viewers ( millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 12 </Td> <Td colspan="1"> January 7 , 2015 ( 2015 - 01 - 07 ) </Td> <Td> March 18 , 2015 ( 2015 - 03 - 18 ) </Td> <Td> 5 </Td> <Td> 17.33 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 23 , 2015 ( 2015 - 09 - 23 ) </Td> <Td> May 18 , 2016 ( 2016 - 05 - 18 ) </Td> <Td> 5 </Td> <Td> 15.94 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 21 , 2016 ( 2016 - 09 - 21 ) </Td> <Td> May 24 , 2017 ( 2017 - 05 - 24 ) </Td> <Td> 23 </Td> <Td> 10.37 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 27 , 2017 ( 2017 - 09 - 27 ) </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> Viewers ( millions ) </Th> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 12 </Td> <Td colspan="1"> January 7 , 2015 ( 2015 - 01 - 07 ) </Td> <Td> March 18 , 2015 ( 2015 - 03 - 18 ) </Td> <Td> 5 </Td> <Td> 17.33 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 23 , 2015 ( 2015 - 09 - 23 ) </Td> <Td> May 18 , 2016 ( 2016 - 05 - 18 ) </Td> <Td> 5 </Td> <Td> 15.94 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 21 , 2016 ( 2016 - 09 - 21 ) </Td> <Td> May 24 , 2017 ( 2017 - 05 - 24 ) </Td> <Td> 23 </Td> <Td> 10.37 </Td> </Tr> <Tr> <Td> </Td> <Td colspan="1"> </Td> <Td colspan="2"> 18 </Td> <Td colspan="1"> September 27 , 2017 ( 2017 - 09 - 27 ) </Td> <Td> TBA </Td> <Td> TBA </Td> <Td> TBA </Td> </Tr> </Table>
how many episodes in season 2 of empire
how many episodes in season 2 of empire
18
18