A psychotic college professor uses unwitting students as laboratory rats, injecting them with a drug that mutates them into gory killersHellmaster featuring John Saxon and David Emge is streaming with subscription on Prime Video, streaming on Shudder, free on Tubi, and 3 others. It's a comedy and drama movie with a low IMDb audience rating of 3.6 (529 votes).
Where to Watch Hellmasteri
Cast & Crew
Reelgood Watch Guide
Available to watch free online (Tubi & Vudu).
Available to stream on a popular subscription service (Prime Video, Shudder, Full Moon & 1 other).
Not available to stream on a TV everywhere service.
Not available to rent or buy.
Hellmaster has a low IMDb audience rating of 3.6 (529 votes). The movie is somewhat popular with Reelgood users lately.