Reazione a catena (A Bay of Blood) (Twitch of the Death Nerve)
Reazione a catena (A Bay of Blood) (Twitch of the Death Nerve) (1972)

When a group of people go to a secluded house for a vacation, they find themselves the targets of a brutal killer who attacks them one by one. Shot by Italian director Mario Bava, aspects of this horror film were copied in Friday the 13th… More

Directed By:
Rated: R
Running Time:
Release Date: November 16, 1999
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Critic Score: 80% Rotten Tomatoes™ Critic Reviews
David Nusair
Reel Film Reviews

A typically useless effort from Mario Bava...

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Steve Biodrowski

Bava ... uses the scenario the way a virtuoso musician uses a simple chord progression as an accompaniment for an inspired solo ...

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Tim Brayton
Antagony & Ecstasy

If only one-hundredth of the films it influenced had one-hundredth of its perfection, the horror film would be a much less disreputable and more wonderful thing than has been the case.

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Jeffrey M. Anderson
Combustible Celluloid

Contains some of Bava's finest, and most naturalistic work as well as some innovative gore effects.

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Dustin Putman

Bava displays how ahead of the curve he was in tackling the slasher genre.

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Michael W. Phillips, Jr.
Goatdog's Movies

You'll see things that countless horror films have stolen, but unlike a lot of classic films that have been ripped off for years, this one holds up.

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Flixster Audience Score: 65% Flixster User Reviews
Alex roy
Horror Icon Mario Bava crafts a stunning horror feature with A Bay of Blood. Italian directors have long been masters of horror, and Bava who helped pioneer… More
Stephen M
It just goes to show that the most influential movies are not necessarily the best; this one spawned <i>Friday 13th</i> and a whole host of slasher… More
Nicki Marie
Ending was good, but movie has way too many characters and is unnecessarily confusing for a horror. Dub is crappy too.
Tim Salmons
THE SLASHER FILM. This is the beginning.
Aj V
Fantastic early slasher film from the great director, Bava. It starts out mysteriously, confuses you, and then twists things around until it gives you a crazy… More
Ken Stachnik
An important pre-cursor to Friday the 13th, Halloween and Black Christmas. Mario Bava's Bay of Blood is a little short of story and a little heavy on… More