Continuity: After Prisoner No. 82 (Schütte) dies, he's being put in Tarek's bed by Tarek (77) and Steinhoff (38). When Professor Dr. Thon returns in the institute only the blanket is knocked over.
Continuity: Tarek's eyeglasses continually disappear and reappear without any apparent reason.
Revealing mistakes: Some arrestees can be seen in underwear, although they were not allowed to bring it in.
Plot holes: Tarek's eyeglasses: the receiver (masked as walkman) had a 100m range. But where was it during the experiment? The locker rooms where too far (thick walls would absorb the rays).
Continuity: As the prisoners escape, they lock the door to the cell block and break off the key, forcing the guards to go another way. However when Doctor Thon returns the door is wide open.
Continuity: After the car crash in the beginning of the film, the right rear of the taxi has been damaged, including the rear light. When Tarek drives Dora to his place, it's just the other way around.
Continuity: On the film poster Tarek is wearing number 82, but in the film he is number 77.
Continuity: Tarek took one of the prisoner's milk bottles with his left hand, then he's holding it in right hand. While giving back the milk bottle, it's in his left again.
Plot holes: While Tarek punches one of the guards, and knocks himself down, you can see he's wearing underwear although the guards said they can't wear underwear.
Continuity: At the end of the movie the Elvis Presley imitator gets knocked down and attached to a prison cell with handcuffs. But after that he suddenly is on the loose.