Kam, pánové, kam jdete? (1988)

A man and a woman go skinny dipping. Rear nudity of both of them, as well as partial frontal from the man as he retrieves his clothes.

A man pulls off a woman's panties, exposing her genitals. He throws the panties away and she goes to retrieve them. Her pubic hair and bottom are visible through the whole sequence while she tries to get them back.

A man, a woman, a boy and a girl take turns stripping each other naked. Rear nudity of all four, as well as frontal nudity of the boy.