The film received overwhelmingly negative reviews from critics, with many panning its excessive gore, torture, and general cruelty. The movie holds a dismal 13% approval rating on Rotten Tomatoes.
Here's a brief report:
The film is the third and final installment in the Human Centipede series. The story takes place in a maximum-security prison in California, where a sadistic guard, Lloyd (Dijmon Sternefeld), and his new partner, Trent (Charlie McDermott), are determined to stop a serial killer, Dr. Heiter (Dieter Laser), from escaping. The Human Centipede 3 Sub Indo