Celebrated heart surgeon Thomas Vrain supports the research of an offbeat scientist who has invented an artificial heart. Against the advice of the Ethics Committee, Dr. Vrain decides to perform the first artificial heart transplant.Threshold featuring Donald Sutherland and John Marley is streaming with subscription on Prime Video, and free on Tubi. It's a Drama and Science Fiction movie with an average IMDb audience rating of 6.1 (394 votes).
Where to Watch Threshold
Cast & Crew
Reelgood Watch Guide
Available to watch free online (Tubi).
Available to stream on a popular subscription service (Prime Video).
Not available to stream on a TV everywhere service.
Not available to rent or buy.
#1903 Ranked in Medical Movies
#2216 Ranked in Science-Fiction Movies
#5742 Ranked in Movies on Prime Video
Threshold has an average IMDb audience rating of 6.1 (394 votes). The movie is somewhat popular with Reelgood users lately.