Wilson tries to help Eddie by cleaning the tunnels, but he only makes things worse. Can he clean it all up before Eddie arrives?
Next Stop, Space!: Hoot and Toot are afraid a meteorite from the museum might escape and destroy Chuggington, so they decide to return it to space. Scrub-A-Chug: Eddit and Hodge clean the underground tunnels using the Scrub-A-Chug - a fantastic piece of rolling stock with brushes that cleans the ceiling of the tunnel.—Anonymous