<Table> <Tr> <Th> No . overall </Th> <Th> No. in season </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> Prod . code </Th> <Th> U.S. viewers ( millions ) </Th> </Tr> <Tr> <Th> 70 </Th> <Td> </Td> <Td> `` The Flash Reborn '' </Td> <Td> Glen Winter </Td> <Td> Story by : Andrew Kreisberg Teleplay by : Todd Helbing & Eric Wallace </Td> <Td> October 10 , 2017 ( 2017 - 10 - 10 ) </Td> <Td> T27. 13401 </Td> <Td> 2.84 </Td> </Tr> <Tr> <Th> 71 </Th> <Td> </Td> <Td> `` Mixed Signals '' </Td> <Td> Alexandra La Roche </Td> <Td> Jonathan Butler & Gabriel Garza </Td> <Td> October 17 , 2017 ( 2017 - 10 - 17 ) </Td> <Td> T27. 13402 </Td> <Td> 2.54 </Td> </Tr> <Tr> <Th> 72 </Th> <Td> </Td> <Td> `` Luck Be a Lady '' </Td> <Td> Armen V. Kevorkian </Td> <Td> Sam Chalsen & Judalina Neira </Td> <Td> October 24 , 2017 ( 2017 - 10 - 24 ) </Td> <Td> T27. 13403 </Td> <Td> 2.62 </Td> </Tr> <Tr> <Th> 73 </Th> <Td> </Td> <Td> `` Elongated Journey Into Night '' </Td> <Td> Tom Cavanagh </Td> <Td> Sterling Gates & Thomas Pound </Td> <Td> October 31 , 2017 ( 2017 - 10 - 31 ) </Td> <Td> T27. 13404 </Td> <Td> 1.99 </Td> </Tr> <Tr> <Th> 74 </Th> <Td> 5 </Td> <Td> `` Girls Night Out '' </Td> <Td> Laura Belsey </Td> <Td> Lauren Certo & Kristen Kim </Td> <Td> November 7 , 2017 ( 2017 - 11 - 07 ) </Td> <Td> T27. 13405 </Td> <Td> 2.38 </Td> </Tr> <Tr> <Th> 75 </Th> <Td> 6 </Td> <Td> `` When Harry Met Harry ... '' </Td> <Td> Brent Crowell </Td> <Td> Jonathan Butler & Gabriel Garza </Td> <Td> November 14 , 2017 ( 2017 - 11 - 14 ) </Td> <Td> T27. 13406 </Td> <Td> 2.46 </Td> </Tr> <Tr> <Th> 76 </Th> <Td> 7 </Td> <Td> `` Therefore I Am '' </Td> <Td> David McWhirter </Td> <Td> Eric Wallace & Thomas Pound </Td> <Td> November 21 , 2017 ( 2017 - 11 - 21 ) </Td> <Td> T27. 13407 </Td> <Td> 2.20 </Td> </Tr> <Tr> <Th> 77 </Th> <Td> 8 </Td> <Td> `` Crisis on Earth - X , Part 3 '' </Td> <Td> Dermott Downs </Td> <Td> Story by : Andrew Kreisberg & Marc Guggenheim Teleplay by : Todd Helbing </Td> <Td> November 28 , 2017 ( 2017 - 11 - 28 ) </Td> <Td> T27. 13408 </Td> <Td> 2.82 </Td> </Tr> <Tr> <Th> 78 </Th> <Td> 9 </Td> <Td> `` Do n't Run '' </Td> <Td> Stefan Pleszczynski </Td> <Td> Sam Chalsen & Judalina Neira </Td> <Td> December 5 , 2017 ( 2017 - 12 - 05 ) </Td> <Td> T27. 13409 </Td> <Td> 2.22 </Td> </Tr> <Tr> <Th> 79 </Th> <Td> 10 </Td> <Td> `` The Trial of The Flash '' </Td> <Td> Philip Chipera </Td> <Td> Lauren Certo & Kristen Kim </Td> <Td> January 16 , 2018 ( 2018 - 01 - 16 ) </Td> <Td> T27. 13410 </Td> <Td> 2.51 </Td> </Tr> <Tr> <Th> 80 </Th> <Td> 11 </Td> <Td> `` The Elongated Knight Rises '' </Td> <Td> Alexandra La Roche </Td> <Td> Sterling Gates & Thomas Pound </Td> <Td> January 23 , 2018 ( 2018 - 01 - 23 ) </Td> <Td> T27. 13411 </Td> <Td> 2.12 </Td> </Tr> <Tr> <Th> 81 </Th> <Td> 12 </Td> <Td> `` Honey , I Shrunk Team Flash '' </Td> <Td> Chris Peppe </Td> <Td> Sam Chalsen & Judalina Neira </Td> <Td> January 30 , 2018 ( 2018 - 01 - 30 ) </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> <Tr> <Th> 82 </Th> <Td> 13 </Td> <Td> `` True Colors '' </Td> <Td> Tara Nicole Weyr </Td> <Td> Jonathan Butler & Gabriel Garza </Td> <Td> February 6 , 2018 ( 2018 - 02 - 06 ) </Td> <Td> TBA </Td> <Td> TBD </Td> </Tr> </Table>
what was the last episode of the flash
The Elongated Knight Rises