Beyond the Door in order
Beyond the Door 1-3 4 films, 4h 58m in all, in release order.

Beyond the Door
1974 · 109 min
Snoozefest
Shock
1977 · 95 min
Popcorn Flick
Beyond the Door III
1989 · 94 min
NewEmbryo: Beyond the Door
Embryo: Beyond the Door
TBA · Not out yet
New
Frequently asked questions
What order should I watch Beyond the Door in?
1. Beyond the Door (1974), 2. Shock (1977), 3. Beyond the Door III (1989), 4. Embryo: Beyond the Door.
How long does it take to watch all of Beyond the Door?
About 4h 58m across 3 released films.
Do any Beyond the Door films have post-credit scenes?
None are listed on TMDB.