The Three Little Pigs sell Canadian war bonds.

The Tortoise and the Hare is an animated short film released on January 5, 1935 by United Artists, produced by Walt Disney and directed by Wilfred Jackson. Based on an Aesop's fable of the same name, The Tortoise and the Hare won the 1934 Academy Award for Best Short Subject: Cartoons. This cartoon is also believed to be one of the influences for Bugs Bunny.

1936 film by David Hand

Two of the Three Little Pigs are caught by the Big Bad Wolf while swimming. But when the wolf tries to get the third, he is captured by the third pig who uses his new lie detector to get the information about his two brothers from the wolf.....

The two pigs building houses of hay and sticks scoff at their brother, building the brick house. But when the wolf comes around and blows their houses down (after trickery like dressing as a foundling sheep fails), they run to their brother's house. And throughout, they sing the classic song, "Who's Afraid of the Big Bad Wolf?".