Train of Light (S06E04)

George loves exploring Mabel's Department Store, where there’s always something exciting to experience. One day, while The Man With the Yellow Hat shops, George spots a mesmerizing moving light shaped like a train. He soon realizes it's created by a lamp with a spinning shade. Captivated, George resolves to craft his own moving light at home. However, he loses track of time and finds himself locked in the store after closing. With no other options, George seizes the opportunity to create his own moving light right there in the department store.