Continuity mistake: One of the prisoners is washing his face in a sink and there is a shot from under the water, where we see the man's face in a round sink. The next shot is from the cell and here we see that the sink is rectangle-shaped with only rounded corners.
The Experiment (2001)
Directed by: Oliver Hirschbiegel
Starring: Moritz Bleibtreu, Wotan Wilke Mohring, Christian Berkel, Oliver Stokowski
Continuity mistake: When the prisoners escape, they lock the door of the cell and break the key, forcing the guards to go another way. But when Dr Thorn returns, the door is opened.
