A new teacher joins the staff of Sakuragaoka Middle School; but secretly, he is Ultraman 80.

Tsukamoto, a student, has stopped coming to school; Takeshi vows to find out why.

Shinichi is heartbroken after losing his girlfriend to another boy.

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

The Bam Aliens scheme to defeat Ultraman 80 by spiriting him away into four-dimensional space.

Akio believes that he's an alien from another planet, not a human boy.