Squid Girl (2010)

S2E14 Scrub-A-Chug

Eddie and Hodge have successfully cleared the sludge from the chugwash and are ready to refill it with soap. Next on their agenda is to clean the underground tunnels using the Scrub-A-Chug, an amazing rolling stock equipped with brushes to scrub the tunnel ceilings. However, their plans take an unexpected turn when they receive an urgent call and must attend to an emergency.