Episode 17 of "Ultraman New Generation Stars" features that episode of Ultraman Gingastorium's first appearance (spoilers ahead)

Episode 17 of "Ultraman New Generation Stars" features that episode of Ultraman Gingastorium's first appearance (spoilers ahead)
Episode 17 of the tokusatsu drama "Ultraman New Generation Stars" scheduled to be broadcast on Saturday, May 18 at 9:00 a.m. "Defeat the Robot Army! Here is the synopsis of "Lone Warrior"....

The linked article is in Japanese.