Mickey starts out his career painting scenery and moving props for a theatre in hopes of eventually achieving his dream; he finally gets his chance when the lead develops laryngitis.

Mickey and his pal Freddy decide to build a do-it-yourself rocket-ship with the intention to fly it to the moon; when they fail the first time around they ask their professor for assistance with the chemicals needed to launch.

Mickey gets a moonlighting job as a TV disc jockey and gets himself mixed up with a gang of robbers that the police are hunting.

Mickey believes a successful author's life is in danger so he doubles for him.

Mickey gets in deep water when his steady girlfriend can't make it for the planned grunion hunt.

Mickey and his pal Freddy decide to go on their own safari hunt and inadvertently release the studio's lion.