★ 6.7 Film
Altered States
1980
Both explore surreal; both horror and science fiction
★ 5.6 Film
The Lawnmower Man
1992
Both explore dreams; both horror and science fiction
★ 6.5 Film
Critters
1986
Both explore sibling relationship and family; both horror and science fiction
★ 6.5 Film
R.L. Stine's Pumpkinhead
2025
Both explore brother; both fantasy and horror
★ 6.1 Film
The Beautiful Prisoner
1983
Both explore dreams; both fantasy and horror
★ 6.6 Film
Damage
1992
Same creator (Louis Malle); both explore sibling relationship