The terrible and trecherous Pendragon plans to gain the throne of Cornwall by getting the king to abdicate and to marry his lovely daughter.  A giant under his control abducts the princess, but on the way home with her the giant meets farming lad Jack who slays him. This is only the beginning. Be assured Pendragon and his evil magic are far from done. 

Jack The Giant Killer (1962)

A mad scientist working in the South American jungle miniaturizes his colleagues when he feels his megalomania is threatened.

Dr. Cyclops (1940)

A scientific expedition in Africa investigates wasps that have been exposed to radiation. This exposure transformed them into mutated giants capable of killing monsters.

Little and Tall