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)

This Italian shockerama was originally released as Twitch of the Death Nerve in 1971. When distributed to the US, it picked up yet another title, Last House on the Left Part II. In fact, it has nothing whatever to do with the original Last… More

Directed By:
Rated: R
Running Time:
Release Date: May 3, 1972
DVD 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: 64% 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