The New Adventures of Batman

A Sweet Joke on Gotham City (1x4)

Air date: Mar 03, 1977

Sweetooth, a sugar-obsessed villain, breaks into Gotham City's water supply and replaces all the water there with chocolate syrup. Batman attempts to deal with the criminal, but is pressurised by his ever-increasing insane demands. Batman has to restore the water supply to the city before it's time runs out.