As signs of monsters appear, Takeshi Yamato gains a new job as a science teacher. However, a menace is approaching his school.

Tsukamoto, a student in Yamato's class, has stopped coming to school. Takeshi vows to find out why.

Shinichi is heartbroken after losing his girlfriend to another boy. Will his resentment grow so great, it becomes a monster?

Super is unhappy about his sister's impending marriage. A monster appears, behaving as immaturely as Super.

The Bam Aliens scheme to defeat Ultraman 80 by spiriting him away into four-dimensional space. Can UGM help him return?

Akio believes that he's an alien from another planet, not a human boy. Can Takeshi help Akio understand the truth?

A plane crashes after its engines go silent. UGM investigates, suspecting monster activity.

UGM is investigating a mountain where Takeshi's class is going for a field trip. Legends say a monster is sealed in the mountain...

The head teacher wants to arrange a marriage for Kyoko. Takeshi wants to put a stop to it, but a monster's appearances keep interfering with his plans.

Takeshi's childhood friend Alma visits Earth. She plays pranks on his students, who take her tricks too seriously.

A small monster arrives and is quickly destroyed. However, an innocent-looking shell may cause more damage than realized.

A beautiful young girl joins Takeshi's class. Hiroshi falls in love with her, but where is she really from?

The Caps of other UGM branches are being mysteriously assassinated. And Japan's Cap has been accused of murder!

Chief Itou comes to Japan to join UGM. He seems too good to be true, but puts the officers through harsh training.

Sera, UGM's head of PR, wants to save a baby monster. But the scientist Nakagawa wants to use the monster in his experiments.

UGM investigates the beautiful space artifact, Snow Art. They decipher a warning left by the Ruriya Aliens, but too late.

A group of UGM officers goes to investigate Shiokaze Island. Although the island is a vacation spot, the officers find it deserted.

Takeshi and the UGM officers try to track down a mysterious woman who seems to be able to control monsters. Is she friend or foe?

The rogue star Red Rose is on a collision course with Earth. UGM plans to save Earth by using nuclear weapons to destroy Red Rose in space.

After a spaceship crash, UGM finds the bodies of those aboard drained of blood. And now, the blood-sucking balls are attacking Earth!

UGM suspects an alien of doing devastating attacks on earth's cities, but the alien's true goals may actually be quite different.

An unidentified object causes a solar eclipse. UGM investigates who launched the object, and discovers a lost civilization.

Space amoebas have killed everyone aboard the Space 7. Can UGM prevent the Space 7 and its deadly cargo from reaching Earth?

Aliens invite Earth to join the utopian Galactic Federation. UGM is suspicious of the aliens' offer.

Jun is a UGM trainee, who challenges Emi multiple times. But when an alien attacks, her ambition just might be too much..