Godzilla vs. Mechagodzilla
Film · March 21, 1974 · Toho

Picture: Film studio / Not freely licensed — film poster, your fair use call
The robot double debuts, built by aliens; Okinawa’s guardian King Caesar joins the fight. Directed by Jun Fukuda.
Sources
- Entertainment Weekly · How to watch all 36 live-action Godzilla movies in order (Nov 6, 2026)
- Wikipedia · Godzilla vs. Mechagodzilla