"The Mystery of GoAnimate City" is the 8th episode of Season 21.
Little Guy accidentally falls into a hole and discovers GoAnimate City. However, things start taking a turn for the worse when we cross between the GreenyWorld Universe and Cameron Murphy Universe.
- Pamela Hayden as Cameron Murphy
- Harry Shearer as nikita36
- Brian Sharp as steelrock44
- Joey Martner as Spacewalker4444
- Cameron Murphy as Murphy Guy
- Thomas "TomSka" Ridgewell as Dr. Murphy
- Bradley Westgarth as himself