★ 6.8 Film
The Curse of Frankenstein
1957
Same creator (Terence Fisher); both explore experiment and creature
★ 5.3 Film
Night of the Big Heat
1967
Same creator (Terence Fisher); both explore island
★ 6.2 Film
The Evil of Frankenstein
1964
Both explore experiment and creature; both horror and science fiction
★ 5.9 Film
The Horror of Frankenstein
1970
Both explore monster and creature; both horror and science fiction
★ 5.8 Film
The H-Man
1958
Both explore monster and experiment; both horror and science fiction
★ 6.3 Film
The Damned
1962
Both explore experiment; both horror and science fiction