Question: The Off-Beats is a series of short animations that was created by Mo Willems, best known for which Cartoon Network television series, which American animated television series created by Mo Willems for Cartoon Network, and the 9th of the network's Cartoon Cartoons?
Sentence (from "The Off-Beats"): after Mo Willems moved to the Cartoon Network to work on "Sheep in the Big City"; it too was canceled after two years on the air.
Relevant evidence: No