Mazinger Z vs. Doctor Hell (1974)
Original title: マジンガーZ対ドクターヘル
Mazinger Z vs. Doctor Hell is a 1974 Japanese-language science fiction movie directed by Yugo Serikawa, with a running time of 25m. It stars Hiroya Ishimaru, Haruko Kitahama and Hidekatsu Shibata.
Episode 57 "Dr. Hell Occupies Japan" of the original TV show, shown as a movie.