The title is the scariest thing about this CFF lark in colour; and even the slowest kids in the audience should quickly figure out the identity of the mysterious robed figure wandering about the island our heroes have found themselves stranded on.
Tips on how to fix a boat, give artificial respiration, display a distress signal, tell an egg is off, not drinking water until it's been boiled or eating green apples are liberally sprinkled throughout the script to the merry accompaniment of a noisy skiffle score presumably meant to make sure young viewers don't get nightmares after the villain has received his usual ritual dunking.