Return of Ultraman - Season 1 (1971)

The era of peace after Ultraseven's victory over Pandon and the Ghos invasion has ended, as two giant monsters Zazahn, and Takkong rise from the sea fighting each other destroying each other several city blocks in Tokyo.

While going through the various MAT training courses, Hideki Goh aces them all garnering perfect scores every time. When the monster Takkong surfaces again sinking a tanker vessel, Goh and other MAT members plan to eradicate the beast with torpedoes.

Two young college students die while scaling a Misty Mountain, a legendary summit where monsters are said to dwell.

MAT receives word of a monster sighting, so they disembark aboard the Arrows to fight it.

Three boys just out of school run across an unusual rock-like shell that falls off a truck at a construction site.