Ultraman: S1 E25 - The Mysterious Comet Tsuifon Ultraman
Comet Tsuifon was flying toward the earth. As a result of the orbit calculation, collision with the earth would be avoided at only a fine line, but the risk of a natural explosion of hydrogen bombs emerged due to the effect of cosmic rays of the comet. Guigass and Dorako appeared in front of SSSP which was searching for the vanished hydrogen bomb in the Japanese Alps. Red king who swallowed the hydrogen bomb was also awake, and the fierce fight of the snowyard starts!