<Tr> <Th> 20 </Th> <Td> 9 </Td> <Td> "Look Who's Purging Now" </Td> <Td> Dominic Polcino </Td> <Td> Dan Harmon, Ryan Ridley & Justin Roiland </Td> <Td> September 27, 2015 (2015 - 09 - 27) </Td> <Td> 1.89 </Td> </Tr> <Tr> <Th> 21 </Th> <Td> 10 </Td> <Td> "The Wedding Squanchers" </Td> <Td> Wes Archer </Td> <Td> Tom Kauffman </Td> <Td> October 4, 2015 (2015 - 10 - 04) </Td> <Td> 1.84 </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> 22 </Th> <Td> </Td> <Td> "The Rickshank Rickdemption" </Td> <Td> Juan Meza - León </Td> <Td> Mike McMahan </Td> <Td> April 1, 2017 (2017 - 04 - 01) </Td> <Td> 0.68 </Td> </Tr> <Tr> <Th> 23 </Th> <Td> </Td> <Td> "Rickmancing the Stone" </Td> <Td> Dominic Polcino </Td> <Td> Jane Becker </Td> <Td> July 30, 2017 (2017 - 07 - 30) </Td> <Td> 2.86 </Td> </Tr> <Tr> <Th> 24 </Th> <Td> </Td> <Td> "Pickle Rick" </Td> <Td> Anthony Chun </Td> <Td> Jessica Gao </Td> <Td> August 6, 2017 (2017 - 08 - 06) </Td> <Td> 2.31 </Td> </Tr> <Tr> <Th> 25 </Th> <Td> </Td> <Td> "Vindicators 3: The Return of Worldender" </Td> <Td> Bryan Newton </Td> <Td> Sarah Carbiener & Erica Rosbe </Td> <Td> August 13, 2017 (2017 - 08 - 13) </Td> <Td> 2.66 </Td> </Tr> <Tr> <Th> 26 </Th> <Td> 5 </Td> <Td> "The Whirly Dirly Conspiracy" </Td> <Td> Juan Meza - León </Td> <Td> Ryan Ridley </Td> <Td> August 20, 2017 (2017 - 08 - 20) </Td> <Td> 2.29 </Td> </Tr> <Tr> <Th> 27 </Th> <Td> 6 </Td> <Td> "Rest and Ricklaxation" </Td> <Td> Anthony Chun </Td> <Td> Tom Kauffman </Td> <Td> August 27, 2017 (2017 - 08 - 27) </Td> <Td> 2.47 </Td> </Tr> <Tr> <Th> 28 </Th> <Td> 7 </Td> <Td> "The Ricklantis Mixup" </Td> <Td> Dominic Polcino </Td> <Td> Dan Guterman & Ryan Ridley </Td> <Td> September 10, 2017 (2017 - 09 - 10) </Td> <Td> 2.38 </Td> </Tr> <Tr> <Th> 29 </Th> <Td> 8 </Td> <Td> "Morty's Mind Blowers" </Td> <Td> Bryan Newton </Td> <Td> Mike McMahan, James Siciliano, Ryan Ridley, Dan Guterman, Justin Roiland & Dan Harmon </Td> <Td> September 17, 2017 (2017 - 09 - 17) </Td> <Td> 2.51 </Td> </Tr> <Tr> <Th> 30 </Th> <Td> 9 </Td> <Td> "The ABC's of Beth" </Td> <Td> Juan Meza - León </Td> <Td> Mike McMahan </Td> <Td> September 24, 2017 (2017 - 09 - 24) </Td> <Td> 2.49 </Td> </Tr> <Tr> <Th> 31 </Th> <Td> 10 </Td> <Td> "The Rickchurian Mortydate" </Td> <Td> Anthony Chun </Td> <Td> Dan Harmon </Td> <Td> October 1, 2017 (2017 - 10 - 01) </Td> <Td> 2.60 </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>

When did the last rick and morty air