Ultra Series
Produced in black and white by Tsuburaya Productions, this is actually the first of the long-running Ultra Series, and was broadcast on Tokyo Broadcasting System (TBS) from January 2 to July 3, 1966 (the final episode was preempted until December 14, 1967), with a total of 28 episodes. This series was followed two weeks later by the more popular "Ultraman" (1966), the second Ultra Series.