Unrealized potential
Die, Monster, Die! starts with an American Stephen Reinhart played by Nick Adams arriving at rural English town looking to find the Witley estate. No one will help him get there and when he finally finds it, it looks abandoned, is guarded by a bear trap, and there’s a mysterious shrouded woman observing him. When Reinhart finally finds someone it’s the family head Nahum Witley played by Boris Karloff. Mr. Witley tries to drive off the American even though he’s engaged to his daughter Susan Witley. The matriarch of the family Mrs Witley is bed ridden but wants Stephen’s help to save her daughter from the evil that lurks at the estate. That comes from Mr. Witley who turns out to be a mad scientist replete with a basement dungeon.<br /><br />Things just get weirder from there. The butler dies, the shrouded women appears and disappears at the windows, the Witley’s talk about the families dealing with the devil, and then it turns out Mr. Witley has been playing around with radiation via a meteor that landed in the town years ago using it to grow giant plants while also creating several monsters.<br /><br />I think the movie had huge potential but it was never realized. The drama and suspense built up and then the editor would quickly cut to another shot. There are also some gapping holes in the story. The special effects were very limited as well.
The movie title "Die Monster Die [Blu-ray]," available on Movies & TV, has received an average rating of 4.3 from 146 reviewers. 
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This title falls under the categories of Movies & TV, Blu-ray and Movies. 
The additional details include the following in key-value format :
 {"Genre": "Horror", "Format": "Multiple Formats, Blu-ray, NTSC, Widescreen", "Contributor": "Boris Karloff, Daniel Haller", "Language": "English", "Runtime": "1 hour and 20 minutes", "MPAA rating": "NR (Not Rated)", "Product Dimensions": "0.7 x 7.5 x 5.4 inches; 2.4 Ounces", "Item model number": "SFY14658BR", "Director": "Daniel Haller", "Media Format": "Multiple Formats, Blu-ray, NTSC, Widescreen", "Run time": "1 hour and 20 minutes", "Release date": "January 21, 2014", "Actors": "Boris Karloff", "Studio": "Shout Factory", "Number of discs": "1"}

Here is a brief synopsis of the title : Boris Karloff, the greatest horror star of all time, takes center stage in this menagerie of horrors (Motion Picture Daily) that spins out shock after shock (Boxoffice). Like a deadly potion bubbling with eerie mansions, secret experiments and a warning never to look in the basement, this is pure haunted-house hokum all the way (Los Angeles Times)! An English scientist entertains a young American visitor, serving up tea, terror and a beautiful daughter who is soon torn between her father’s evil ways and her need to protect the man she loves from a diabolical end..