To promote the release of "Sonic Mania Plus" (2018), a five-part series of animated shorts, "Sonic Mania Adventures", was released on the "Sonic the Hedgehog" YouTube channel between March 30 and July 17, 2018. The series depicts Sonic's return to his world following the events of "Sonic Forces", teaming up with his friends to prevent Eggman and Metal Sonic from collecting the Chaos Emeralds and Master Emerald. An additional Christmas-themed episode was released on December 21, 2018. The shorts were written and directed by Tyson Hesse, who created "Sonic Mania" opening cutscene. Similarly, Hesse produced a two-part animated series to tie in with the release of "Team Sonic Racing" in 2019. Sonic and Tails also appeared as guest stars in "OK K.O.! Let's Be Heroes" in August 2019.