Checkered Past is a
programming block on Adult Swim featuring Cartoon Network cartoons from the 1990s and early 2000s that premiered on August 28, 2023 at 5:00 p.m. EDT, running weekday evenings. It contains shows such as Courage the Cowardly Dog, Dexter's Laboratory, Ed, Edd n Eddy, and The Grim Adventures of Billy & Mandy.

References

Adult Swim original programming
Cartoon Network programming blocks