The episode that started it all! This episode shows how Ultraman came to Earth, and during his chase with the fugitive monster Bemular, a tragic accident that befell Science Patrol member Hayata forces the alien to save the Earthling's life by merging with him. Thus, unbeknownst to anyone (even his Science Patrol teammates), Hayata and Ultraman are now one and the same! The course of the episode has Hayata and his teammates coping with the terrifying Bemular.

Contact has been lost with a meteorological station on a distant Pacific island. When the Science Patrol investigates, they encounter a lone survivor, carnivorous plants, giant monsters, and a diminutive friendly creature! Can it help them make their way off the island in one piece?

A seven thousand year old mummy is awakened by scientific experiments and it goes on a rampage. When finally cornered, it summons an enormous, four-legged dragon so powerful that only Ultraman stands a chance of defeating it.

An enormous starfish monster that feeds on petroleum products is preying upon oil tankers in Tokyo Bay. Before long, it sets its sights on bigger game: a massive oil storage facility in the port. Only the Science Patrol and Ultraman have the power to stop it before Japan's energy supplies are cut off!

The discovery of a new kind of dinosaur leads the Science Patrol to capture the beast. However, when it awakens sooner then expected a crash causes the creature to act violent. Furthermore, a little boy obsessed with monsters goes looking for the massive monster to see a real live monster in person and fins the Beta Capsule.

With Gomorrah still on the rampage, both the army and the Science Patrol are no match for this million year old menace from the lost island. To make a bad situation worse, Hayata has lost the Beta Capsule which is now in the hands of the small boy who loves monsters.

The Science Patrol takes to the stars and learns that a missing piece of equipment could cause Space Station V2 to explode. After determining that the closest replacement is on a nearby planet, the Science Patrol makes a beeline for it...only to encounter a pair of ferocious monsters in their path.

In this final episode of the Ultraman television series, a fiendish alien race, the Z-Ton Aliens, plots to conquer Earth. While plotting to cripple the Science Patrol Headquarters, they dispatch their giant insect-like monster, Z-Ton, to destroy it from the outside. After the Science Patrol destroy the Z-Ton fleet, Ultraman intervenes, but the monster proves to be more than a match for him! Will Ultraman, or the Science Patrol, be able to destroy Z-Ton? If Ultraman fails, what will happen next . . .