My Life as a Dog (1985) on Netflix

The story sets in the late 1950s. Ingemar (Anton Glanzelius), is a boy who lives with his older brother and his ill mother. He loves dogs and is particularly worried about Laika, the female Russian dog sent to the space, which dies several days later because the food run out. The boy has a normal life with an only friend and his beloved female dog, but he simply doesn't get along well with his brother, who spends time playing practical jokes and make fun of poor Ingemar. Their mother's tired of putting up with the children's pranks, whom spend all day fighting and making her mother loses her temper. One day, Ingemar and his brother are separated for the sake of their ill mother. Ingemar is sent with his uncle, who lives in a small town with his wife. There, Ingemar will bump into curious people, like an old man who has a particular obsession with lingerie ads, glass workers in a workshop or a pretty girl, who in order to play in a soccer team, she pretends to be a boy disguising herself.