Thrifty Pig, The (film) Shows the advisability and necessity of purchasing Canadian War Bonds. Footage from Three Little Pigs was reanimated, with the wolf as a Nazi and the pigs’ house being made of bricks made from Canadian War Savings Certificates. The song, “Who’s Afraid of the Big Bad Wolf?”, is used with new lyrics. Made for the National Film Board of Canada. The film was delivered on November 19, 1941.