Bill asks Jenny to take her blouse off.

Bill attempts to have sex with Jenny. Next part of the scene plaied by a body double of Jenny.

This video shows scene from Children in the Wind (1937) where boys are swimming in their traditional Japanese loin cloth but one boy, Kinta, is completely naked {frontal and rear)

A scene from Mirror (1975) where a boy is skinny dipping and another child is naked beside the mother.

A scene from the movie Zero de Conduite (1933) where one boy (11) is wearing a night shirt and it flips over his back exposing his butt.

When Cong Cong asks help in WC, his father picks him up and takes him to the hospital.

After going potty, Cong Cong (Jingyi Zhang, 5) jumps to his father.

Jette (Petra Klemich, 8) standing fully nude in the bathtub.

Birgit Kommans' body double (unknown boy, 12) peeing in one scene after a girl opens up his pants, puts her hand in there and takes his penis out.

When Asua (Jenny Agutter, 11) is being revived after nearly drowning, her shirt is open and a partial view of her chest is briefly seen.