Rick and Morty is an American animated television series created by Justin Roiland and Dan Harmon. It premiered on December 2, 2013 on Cartoon Network's late-night programming block, Adult Swim. Roiland voices the both main characters: Rick, an alcoholic scientist, and Morty, Rick's grandson. The series was announced during Adult Swim's 2012 Upfront presentation, and was picked up for 10 half-hour episodes; an additional episode was added mid-season for a total of eleven episodes. In January 2014, the series was renewed for a second season to air late 2014 or early 2015. In August 2015, Adult Swim renewed the series for a third season, containing 10 episodes, airing unannounced on April 1, 2017. It was renewed again when Adult Swim announced in May 2018 the release of that of the fourth season of the animated series Rick and Morty. The first five episodes were released between November 10 and December 15, 2019, there are five episodes started to be launched starting with May 3, 2020. The show has received critical acclaim.