After seeing a carpet seller, Mr Benn decides to have an Arabian adventure. Putting on a turban in the costume shop, Mr Benn takes the accompanying magic carpet and walks through the changing room door; he arrives in a beautiful city, and sees a young boy being forced by a wicked man to retrieve a magic bottle from a narrow cave. The boy succeeds, but an eagle snatches the bottle from him and flies with it to a mountaintop. Mr Benn offers to help the boy, and together they discover that the bottle contains a genie – which then grants the young lad three wishes…