The Fourth Super Sentai Series. It got the highest ratings of all sentai (at least up to 1988), but is least popular among Japanese fans(as opposed to Japanese children). Cf. Ultraman Taro, another series unpopular with fans though popular with children. 50episodes Dr. Hongou, founder of the Future Science Laboratory, confirms that Deathdark has begun its nefarious activities at Wolfborg Castle in Germany.
