Regular Show: The Lost Tapes was confirmed in 2024, with creator J.G. Quintel attached to the spin-off series and Mark Hamill already confirming that he was set to return as Skips.

An official breakdown from Cornus confirmed that Regular Show: The Lost Tapes is coming to Adult Swim Canada, also teasing the return of Smiling Friends and Robot Chicken.

"A new Regular Show series from Cartoon Network Studios and executive producer J.G. Quintel will be joining the network. Meanwhile, Smiling Friends returns for Season 3 this fall.”