- HD 1080
- Runtime: 83m.
- Status: Released
- 1
- Languages: ja
- Country: Japan
- Director: Ishirō Honda
- Stars: Katsuhiko Sasaki, Tomoko Ai, Akihiko Hirata, Tadao Nakamaru, Gorō Mutsumi
- keywords: mind control, submarine, self sacrifice, mad scientist, mechagodzilla, dinosaur, alien invasion, kaiju, invasion of earth, female cyborg, complex, godzilla, aliens, suicide by gun, understated, tokusatsu
- Production_studio: TOHO, Toho Eizo Co., Tokyo Laboratory
- Slogan: It has become even more enraged! It has even more powerful weapons! Mechagodzilla has been resurrected!
- providers: Max, Max Amazon Channel, Peacock Premium, Criterion Channel, FlixFling, Peacock Premium Plus
- The Terror of Mechagodzilla is featured in the top rankings of 1975
- #39 in Top Drama Movies of 1975
- #5 in Top Action Movies of 1975
A submarine expedition to salvage the remains of Mechagodzilla is thwarted by a massive dinosaur named Titanosaurus. An Interpol investigation leads biologist Ichinose to uncover the work of Dr. Mafune and his mysterious daughter Katsura. Aligned with the Black Hole Aliens, Katsura's life becomes entwined with the resurrected machine.