When Roger wishes that he hadn't spilled coffee on Tony's jacket, his jacket becomes impervious to tears, stains, cutting or burning. Dr. Bellows witnesses these miracles and has to prove it.
When Dr. Bellows catches Tony singing with Enrico Caruso's voice, he enters him in the NASA talent contest. Unfortunately, Jeannie promised to never give him that voice again.
Learning that genies lose their powers if they marry a mortal, Tony proposes to Jeannie. After Roger and Jeannie learn that their children might get magical powers, Jeannie keeps Roger away so that Tony won't learn that little fact.
A hurricane traps Tony, Jeannie, Roger and Dr. Bellows overnight in the Nelsons' house. Tony is faced with the prospect of Dr. Bellows finally learning the truth about Jeannie's magic powers.
Roger finally discovers that Jeannie is a genie and steals her bottle. After making him extremely wealthy, NASA has him arrested on suspicion of selling government secrets to foreign countries.
When Jeannie lets in a man who scoffs at her master's taste, she makes several valuable works of art appear. Afterwards the man introduces himself as a representative of the IRS.
US Astronaut Tony lands at a small island. While waiting to be rescued, he comes across Jeannie, a cute genie. She secretly follows him home when Tony's rescued. She pops up again when Tony's fiancee is there.