<Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> <P> Rick and Morty is an American adult animated science - fiction sitcom created by Justin Roiland and Dan Harmon for Cartoon Network's late - night programming block Adult Swim . The series follows the misadventures of cynical mad scientist Rick Sanchez and his fretful, easily influenced grandson Morty Smith, who split their time between domestic life and interdimensional adventures . The series premiered on December 2, 2013, and the third season concluded on October 1, 2017 . A fourth season has been mentioned, first by Harmon in a September 2017 interview, and later in the post-credits scene of the third season's finale . </P> <P> Roiland voices the eponymous characters, with Chris Parnell, Spencer Grammer, and Sarah Chalke voicing the rest of the family . The series originated from an animated short parody film of Back to the Future, The Real Animated Adventures of Doc and Mharti, created by Roiland for Channel 101, a short film festival co-founded by Harmon . When Adult Swim approached Harmon for television show ideas, he and Roiland decided to develop a program based on the short . The series has received universal acclaim for its originality, creativity, and humor . </P>

When did the first rick and morty come out