The series was announced in May 2017, four months after Quintel's previous series, "Regular Show", concluded, and was originally planned to air on TBS, but it was delayed several times, and TBS's plans for the animation block to premiere it fell through when production on "The Cops" was shut down due to Louis C.K.’s admitted sexual misconduct. On October 29, 2019, it was announced that the series would instead make its home on HBO Max. The second half of the third episode was premiered at the Annecy International Animated Film Festival on June 15, 2020. On September 14, 2020, the series was broadcast internationally through Netflix and Adult Swim. The second season premiered on February 25, 2021 on HBO Max. The second season is scheduled to release on Netflix internationally on May 26, 2021.