Lester and Orville accidentally launch a rocket which is supposed to fly to Mars. Instead it goes to New Orleans for Mardi Gras. They are then forced by bank robber…

Abbott and Costello, two bumbling American cops on exchange in London, hunt for Mr. Hyde—the monster that has been terrorizing the city.

Boxer Tommy Nelson is accused of killing his manager. While detectives Bud and Lou investigate they come across an invisibility formula with which Tommy injects himself rather than face the…