Ruby Gloom meets the Spookiz

Ruby Gloom meets the Spookiz is a 2D and 3D animated crossover between the Canadian animated series Ruby Gloom, and Korean shorts series Spookiz.

Plot Summary
The Spookiz discover a card with the power to take them to Gloomsville, a monster-dwelling town from another world. There they meet the most optimistic girl around, Ruby Gloom.