A scientist discovers a type of lemur living in the swamp that only lives for a week. He gets the idea to conduct an experiment in accelerated evolution and they produce wondrous discoveries which he shares with mankind. His contact with the outside world wants the power that such information would give him and so, after defeating the villain, the lemurs decide to return to the swamp where they will soon go back to their old ways of living.
An inventor develops a gas that suspends gravity and tests it out on a various houses before announcing his demands to the government. A stray dog jumps through an open window looking for a handout but the man shouts at it to get out. When it jumps back out the window it knocks over the entire canister of the gas sending the man's house into orbit.
An archeologist fancies the maiden statue that is uncovered among Roman ruins so much that he is drawn back in time to marry her and become the next Caesar.
A man disguises himself as an alien from Pluto to fool a paranoid dictator into imprisoning his entire cabinet on suspicion of treason so that the people can overthrow him.