Thundarr the Barbarian .. Howard the Duck cousin. Produced by Ruby-Spears Productions, The series ran for two seasons on ABC from October 4, 1980 to October 31, 1981, and was rerun on NBC in 1983. The series has 21 episodes. Plot: The year, 1994. From out of space, comes a runaway planet, hurtling between the Earth and the moon, unleashing cosmic destruction. Man's civilization is cast in ruin. Two thousand years later, Earth is reborn. A strange new world rises from the old. A world of savagery