Originally built by Professor C.R. Ritchie, the mechanical being known as Robot Archie was employed to battle injustices around the world, particularly in the jungles of Africa and South America. The automated action hero has worked with the Professor to create'The Castle' - a fully-functioning time machine!Together with the Professor's nephew, Ted Ritchie and his best friend Ken Dale, Archie is ready to embark on a journey through time that will bring him into conflicts with medieval knights and a terrifying, dystopian future where aliens have conquered the Earth!