★ 6.4 Film
Gamera vs. Barugon
1966
Same creator (Shigeo Tanaka); both explore kaiju and gamera (giant turtle)
★ 4.6 Film
Atomic Rulers
1965
Both explore tokusatsu; both science fiction and action
★ 8.3 Film
Ultra Zero Fight
2012
Both explore kaiju; both fantasy and science fiction
★ 7.0 Film
Ghidorah, the Three-Headed Monster
1964
Both explore kaiju and tokusatsu; both fantasy and science fiction
★ 6.3 Film
Ebirah, Horror of the Deep
1966
Both explore kaiju and tokusatsu; both fantasy and science fiction
★ 6.9 Film
King Kong vs. Godzilla
1962
Both explore kaiju and tokusatsu; both fantasy and science fiction