Denkou Choujin Gridman/Trivia
- Hey, It's That Guy!: in ep 4, Susumu Kurobe, the original Ultraman guest stars.
- Hey, It's That Voice!: Gridman is voiced by Hikaru Midorikawa, in his first voice role in Tokusatsu.
- X Meets Y: It's Ultraman meets Combining Mecha in Cyberspace!