All ages admitted. There is no content that would be objectionable to most parents. This is one of only two ratings dating back to 1968 that still exists today.
In a town where almost a third of the population are "aquamaniacs" we are introduced to "Mr X" ("Goofy/George"). Now a while back, he was just a normal working man, but after he espies a boat shop, his head turns to maritime mush. Water on the brain perhaps? Anyway, he decides that he has to have one for him and his family, and so with water-skiing lessons in mind for "Junior", these land-lubbers...