Season 1

Somewhere in the universe, Planet H12, which closely resembles Earth, is suddenly attacked by space kaiju from another planet. As the planet collapses and faces extinction, one lone alien escapes to Earth. His name is "Teo", a the lonely alien who will eventually grow to become Ultraman. On Earth, he lives as Ibuki Mitsuishi, a third-year veterinary student at Meishin University. Although he struggles with the common sense of Earthlings, he leads a peaceful life communicating with the animals he loves. However, the same space kaiju that destroyed his home planet suddenly appears on Earth, bringing a crisis. When his strong desire to "protect" overcomes the fear in his heart, a brilliant light transforms Ibuki into a blue giant of light!

1. 

   1. The Man Who Came from H12

   2026-07-04 · 24m

   Ibuki Mitsuishi, a student at Meishin University's Department of Veterinary Medicine, is actually an alien. Having lost his home planet, he came to Earth all by himself. While enjoying peaceful days immersing himself in Earth's culture, a meteorite suddenly crashes down. Amidst the chaos of the panicked crowds, Ibuki's world is turned upside down once again!

2. 

   2. Welcome to the Astronomy Club

   2026-07-11 · 24m

   After encountering the Mini Kaiju, Ibuki rushes around the university looking for a place to hide it. Meanwhile, Kyoko Shiga, an investigator from the mysterious organization UTTF, begins to take action against the kaiju threat and contacts Professor Minobe of Meishin University. Ibuki breathes a sigh of relief upon finally finding a hiding place for the Mini Kaiju—but his relief is short-lived as a welcome party for his joining of the Astronomy Club suddenly begins!?

3. 

   3. The Marked Mini Kaiju

   2026-07-18 · 24m

   Tossed around by two fierce kaiju, Teo completely exhausts his energy... To make matters worse, the kaiju are now marching straight toward Meishin University!? As chaos spreads, the Mini Kaiju goes missing! With the members of the Astronomy Club (including Ibuki), Minobe, Kyoko, and even the kaiju drawn into the mix, their various motives intertwine as a desperate crisis closes in on the Mini Kaiju!

4. 

   4. Workshop, Watch Out!

   2026-07-25 · 24m

5. 

   5. Space Pod Repossession!

   2026-08-01 · 24m

6. 

   6. Episode 6

   2026-08-08 · 24m

7. 

   7. Episode 7

   2026-08-15 · 24m

8. 

   8. Episode 8

   2026-08-29 · 24m