Beneath a well in Mount Iwami lies a dormant monster called Neronga, which was defeated by the samurai Ichiemon Murai in the Edo Period. Recently reawakened by the construction of a new power plant in Mount Iwami, only its roars are heard, and a wake of destruction is left all over the power plant. The Science Patrol suspects that Neronga is invisible, but when the monster attacks again, they find that it becomes visible when it absorbs electricity! The Science Patrol and the Self-Defense Forces' Mobile Super-Ray Corps prepare to guard another power plant, which is Neronga's next target. Can they succeed before disaster strikes? Will Ultraman arrive to fight the invisible menace?

While playing with his friends on the docks of Yokohama Bay, Hoshino witnesses a strange-looking giant monster rise from the sea, the monster Gesula! It originated from Brazil, and is in search of its favorite food, cacao beans. However, Hoshino and his friends have been kidnapped by the notorious jewel smuggler Diamond Kick and his gang, who hide out in a warehouse. To complicate matters, not only is there a huge shipment of cacao beans inside the warehouse, but one of the shipments contains the diamonds that Diamond Kick and his gang were searching for, with Gesura quickly drawing near! Will the Science Patrol, and Ultraman, save the children, catch Diamond Kick and his gang, and stop Gesura?

When a uranium-eating monster disrupts efforts to rebuild a village after a tropical storm, the Science Patrol intervenes. However, the only succeed in diverting the angry creature's path of distruction. It's up to Ultraman to prevent further casualties!

A pair of ancient capsules unearthed at a construction site unleash a pair of monsters who are mortal enemies sealed away a long time ago by the ancestors of mankind. Can Ultraman stop them before their blood feud reduces Tokyo to rubble?

A mysterious bus crash leaves Ito in the hospital with two broken ankles. Commander Ito decides to follow a mysterious woman who seemed to be unharmed by the crash and unconcerned for the other travelers on the bus. He soon learns that a strange alien named Dada is stealing scientists in a nearby research center.

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.