Galaxy Express 999
The Destruction of Macaroni au Gratin
S1 E108:
Main and Sab are passing the time by acting out a war. They are the last two people living on this planet where everything is controlled by Mother Computer Junior But, bored with war, the two plot to use the 999 to escape the planet. Since they need two people to use as scapegoats to trick Mother Computer Junior, they choose Maetel and Tetsuro!