TMDb/Regular Show Celebrity Cartoon Network revives Regular Show with a new spin-off, *The Lost Tapes*, airing May 11th. Relive Mordecai & Rigby's chaos in a May 6th marathon. April 30, 2026 AceShowbiz - After a significant hiatus, Cartoon Network is gearing up to bring back the beloved characters from Regular Show, including Mordecai and Rigby. The network will premiere an upcoming spin-off titled Regular Show: The Lost Tapes next month, which appears to take place during the timeline of the original eight-season series.