When the Science Patrol investigates a strange meteor fallen to Earth, they realize it's actually a super-heavy giant monster that proves impervious to their attacks. After trying a variety of techniques to subdue the creature without success, it's up to Ultraman to step in and save the day.
“メガトン怪獣スカイドン登場”
スカイドンが20万トンの巨体でウルトラマンを苦しめる。
