In the 15th and final film of the original series, Godzilla comes to the rescue when an alien race rebuilds Mechagodzilla to destroy Earth's cities. A traitorous scientist gives them a second weapon: Titanosaurus. Godzilla would be absent from the screen for 9 years following this film, and the series would be rebooted with 1984's much darker "Gojira".
Also known as:
Mechagodzilla vs. Godzilla, Monsters from an Unknown Planet, Monsters from the Unknown Planet, Revenge of Mechagodzilla, Terror of Mechagodzilla, The Escape of Mechagodzilla, The Escape of Megagodzilla, The Terror of Godzilla