Terror in the Depths of the Sea in Japan!
The Vegan built a base underwater knowing that Grendizer cannot withstand depths great than 400 meters.
Aired 10/10/1976EP 54 - Terror in the Depths of the Sea in Japan!
1975
UFO Robo Grendizer
Duke Fleed is a survivor of the Fleed Planet who is escaped to the Earth, onboard a mysterious "spaceship", where is raised by Dr. Umon as his adoptive son, and known as Daisuke Umon. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his younger sister Maria Grace), Duke decides to fight back using his best weapon - the almighty Grendizer.