The astronauts paint pictures to be auctioned off at the Air Force Benefit Show. Tony copies a Rembrandt and wishes be could paint like him. Tony takes his covered portrait to the show, unaware that Jeannie has turned it into an exact copy of the original. Art experts Dr. Van Weesen and Dean Geller, impressed by a strange resemblance, outbid each other and Van Weesen buys it for two hundred and fifty thousand dollars. Dr. Bellows tells Tony he must have painted the picture himself or stolen the original from the Louvre. In either case, he's guilty of grand larceny. Tony and Roger surmise Jeannie must be responsible. Tony learns that Dr. Bellows, eager to pin something on him, is bringing Pierre Millay, the world's greatest authority on painting, from Paris. When Millay announces the painting is a fake, Tony suddenly realizes Jeannie is impersonating Millay. Peterson forces Bellows to apologize to Tony. The real Millay receives such a strange reception from Tony and Bellows that be decides everyone is crazy and goes home. When Tony wishes be knew how Rembrandt really painted, Jeannie produces the master himself.