A dinosaur-like monster emerges from the depths of Lake Kitayama. The Science Patrol uncovers a mysterious connection between it and the legend of Loch Ness. When they find the creature too powerful to subdue by normal means, Ultraman steps in to take it down once and for all.

A con artist discovers a meteorite with the power to make wishes come true. He uses it to conjure up a strange creature and begins terrorizing his neighbors. After creating a giant-sized version of the creature, only Ultraman and the Science Patrol can set things right.

A monster with the power to emit blinding flashes of light is terrorizing Japan. The Science Patrol's attempts to subdue it only cause it to mutate into a new form. The orders come to halt the attack, but the creature continues its rampage… Until Ultraman steps in to stop it.

When Pigmon, the cute human-sized monster thought to have been killed in Episode 8, inexplicably re-appears in the toy section of a department store, the Science Patrol learns that a giant creature with the ability to resurrect monsters has appeared in Japan.