Great Britain

On his way home from school John, and his fellow passengers on the underground train turn yellow! Doctors say there is nothing wrong, but a scientist suggests that something from "outer space" might have caused the mysterious phenomenon. John is visited by "Nick" who appears out of a Television set, and is also yellow. Together, they travel on waves of electricity to the Tower of London. After incredible adventures, John is arrested, tried for treason and sentenced to be executed at dawn!