TMDb/Smiling Friends TV Smiling Friends creators reveal why Season 3 is the end, citing burnout-but leave the door open for future projects. May 4, 2026 AceShowbiz - Just over a month ago, fans of Smiling Friends were stunned when creators and stars Michael Cusack and Zach Hadel revealed that the popular animated series would conclude following Season 3. This announcement came as a surprise, especially since Adult Swim had already greenlit two more seasons. The show was one of the network's biggest hits since Rick & Morty, making the decision all the more unexpected.