When Tom Six's horror freakout "The Human Centipede (First Sequence)" was released in 2009, it was met with much disgust and ballyhoo. The poster boasted that the film was "100 medically accurate," something that no movie poster should ever boast. 

The premise was wild and gross and repelled prudes while attracting seekers of the extreme. A mad scientist named Dr. Josef Heiter (Dieter Laser) -- clearly inspired by Josef Mengele -- kidnaps three hapless tourists and announces his dark plan while they are strapped to gurneys in his basement. Dr. Heiter intends to surgically connect the three people via their alimentary canals. He will connect one person's face to the previous person's anus, and remove tendons in their knees, forcing them to crawl. In so doing, he will create a human centipede. There is no stated reason for his experiment. 

Audiences who saw "The Human Centipede" were appropriately grossed out. The...