<Tr> <Td> </Td> <Td_colspan="1"> 6 </Td> <Td_colspan="2"> 16 </Td> <Td_colspan="1"> October 11, 2015 (2015 - 10 - 11) </Td> <Td> April 3, 2016 (2016 - 04 - 03) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 7 </Td> <Td_colspan="2"> 16 </Td> <Td_colspan="1"> October 23, 2016 (2016 - 10 - 23) </Td> <Td> April 2, 2017 (2017 - 04 - 02) </Td> </Tr> <Tr> <Td> </Td> <Td_colspan="1"> 8 </Td> <Td_colspan="2"> 16 </Td> <Td_colspan="1"> October 22, 2017 (2017 - 10 - 22) </Td> <Td> TBA </Td> </Tr> <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> U.S. viewers (millions) </Th> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> "Days Gone Bye" </Td> <Td> Frank Darabont </Td> <Td> Teleplay by: Frank Darabont </Td> <Td> October 31, 2010 (2010 - 10 - 31) </Td> <Td> 5.35 </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> "Guts" </Td> <Td> Michelle MacLaren </Td> <Td> Frank Darabont </Td> <Td> November 7, 2010 (2010 - 11 - 07) </Td> <Td> 4.71 </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> "Tell It to the Frogs" </Td> <Td> Gwyneth Horder - Payton </Td> <Td> Story by: Charles H. Eglee & Jack LoGiudice Teleplay by: Charles H. Eglee & Jack LoGiudice and Frank Darabont </Td> <Td> November 14, 2010 (2010 - 11 - 14) </Td> <Td> 5.07 </Td> </Tr> <Tr> <Th> </Th> <Td> </Td> <Td> "Vatos" </Td> <Td> Johan Renck </Td> <Td> Robert Kirkman </Td> <Td> November 21, 2010 (2010 - 11 - 21) </Td> <Td> 4.75 </Td> </Tr> <Tr> <Th> 5 </Th> <Td> 5 </Td> <Td> "Wildfire" </Td> <Td> Ernest Dickerson </Td> <Td> Glen Mazzara </Td> <Td> November 28, 2010 (2010 - 11 - 28) </Td> <Td> 5.56 </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 6 </Td> <Td> "TS - 19" </Td> <Td> Guy Ferland </Td> <Td> Adam Fierro and Frank Darabont </Td> <Td> December 5, 2010 (2010 - 12 - 05) </Td> <Td> 5.97 </Td> </Tr> </Table>

How long is the last episode of the walking dead