Knock-Knock Cartoons

This cartoon follows two philosophical cavemen who just don't fit into their prehistoric surroundings.

Sent by Zen and his Space Council, Maktar's mission is to conquer Earth. But, Maktar, a sniveling middle manager and galactic pushover, couldn't invade someone's privacy let alone conquer our Great Blue Planet.

Longhair and Doubledome discover fire. Having never before seen fire, Doubledome concludes that the blaze must be his son, Bob.