A giant robot goes out of control and attacks people, but its creators try to prevent the authorities from destroying it. They encounter a group of alien invaders who were not prepared to face a robot and are driven away, moments before the police arrive and blast Mechano to bits.; A clumsy boy has a globe which seems to mirror damage done to it in the real world. When the globe is smashed a mysterious force intervenes and a far away dead world explodes.; Aliens arrive on Earth and give Earth advanced devices that eliminate poverty and conflict. A journalist forces one of them to admit at gunpoint on the air that they are planning an invasion.