Banks: The Money Movers (1977)

Arthur Scrooge is visited by the ghost of his business partner who ridicules him for keeping his money in his mattress. The Spirit of Banking appears and whisks him away to a contemporary bank. The spirit explains how checking and savings accounts work and that money is loaned out to generate even more wealth. Seeing the error of his ways, Scrooge vows to move his money to a banking institution.