Betty Boop's Hallowe'en PartyBetty Boop's Hallowe'en Party is a 1933 Fleischer Studios animated short film starring Betty Boop.PlotIt is Halloween, and Jack Frost covers the fields with frost. A chilly scarecrow plucks a wind-blown piece of paper out of the air; it is an invitation to Betty's Hallowe'en party. Betty is mass-producing jack o'lanterns with the help of her animal friends. The partygoers arrive, and join with Betty in song. Meanwhile, a hulking gorilla gatecrashes the party, and threatens to ruin the evening. Betty disguises as a black cat, and her friends turn the table on the beast, and scare him out the party.Production notesBetty sings "Let's All Sing Like the Birdies Sing", which features background vocals sung by fellow voice actress Mae Questel along with a studio chorus.