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 good-hearted but fretful 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. In May 2018, the series was picked up for an additional 70 episodes over an unspecified number of seasons. On May 15, 2019, at the WarnerMedia direct, it was announced that Season 4 will debut in November 2019.