Return Of Ultraman: Series Season 1 Episode 51 Return Of Ultraman: S1 E51 - The Five Oaths Of Ultra
- March 31, 1972
- 24 min
The Ultraman Annihilation Project has been triggered, with the declaration of war by the Planet Bat Federal Army! On Earth, Alien Bat kidnapped Jiro and Rumiko, and gave fatal damage to the MAT base by destroying the nuclear reactor inside it. In such despair situation, Go transforms into Ultraman and confronts the old enemy: Zetton!