The Green Pill (1974)

A cartoon about a boy who pretended to be sick in order not to go to school, writing a note saying that he was sick and needed to call a doctor. A strange red-haired doctor came and gave pills, after which it is not necessary to go to school at all. He said they were magic. The boy did go to school, but he was late again. Then he decided to take the pill, after which began absolutely incredible events ...