Tenth entry in the Carry On series. Able seaman Poop-Decker (Bernard Cribbins) subscribes for adventure on the high seas with an wicked Captain Fearless (Kenneth Williams). People include Juliet Mills, Charles Hawtrey and Donald Houston. The movie was originally to be eligible ´ the Armada ´ Up, but this kind of rude title was objected to by the British Board of Film Censors.