As Wilson recites the state capitols in alphabetical order (more about that from another observer), he mispronounced South Dakota's capital, Pierre. Dakotans on both sides of the border pronounce the city's name as "peer," not as "pee-air."
The title comes from the child's game of "Hide and Seek" when after the person who is "It" has finished his counting, they cry out, "Ready or not, here I come!"