Phineas T. Barnum and friends finance the first flight to the moon but find the task a little above them. They attempt to blast their rocket into orbit from a massive gun barrel built into the side of a Welsh mountain, but money troubles, spies and saboteurs ensure that the plan is doomed before it starts...
Cast: Burl Ives, Troy Donahue, Gert Fröbe, Hermione Gingold, Lionel Jeffries, Dennis Price, Daliah Lavi, Stratford Johns, Graham Stark, Terry-Thomas
