Godzilla vs. Monster Zero (Kaijû daisenso, aka Invasion of Astro Monster, aka Monster Zero) (1965, Japan)

Part of the Shōwa series (1954–1975).
1.1 Godzilla (1954, Japan)
1.2 Godzilla Raids Again (1955, Japan)
1.3 King Kong vs. Godzilla (1962, Japan / USA)
1.4 Mothra vs. Godzilla (1964, Japan)
1.5 Ghidrah, the Three-Headed Monster (1964, Japan)
1.6 Godzilla vs. Monster Zero (1965, Japan)
1.7 Godzilla vs. the Sea Monster (1966, Japan)
1.8 Son of Godzilla (1967, Japan)
1.9 Destroy All Monsters (1968, Japan)
1.10 Godzilla’s Revenge (1969, Japan)
1.11 Godzilla vs. Hedorah (1971, Japan)
1.12 Godzilla vs. Gigan (1972, Japan)
1.13 Godzilla vs. Megalon (1973, Japan)
1.14 Godzilla vs. Mechagodzilla (1974, Japan)
1.15 Terror of Mechagodzilla (1975, Japan)