Knock, KnockDVD - 2008
"A group of popular high school students stumble into the path of a vicious killer. The gruesome result leaves the town in horror, as two detectives work to crack the case. Suspicions mount as the school recluse is seen wandering around in the dead of night and the remaining survivors fear the worst: a knock that no lock can withstand"--Container.
Publisher: Santa Monica, Calif. : Lions Gate Entertainment, 
Edition: Unrated director's cut.
Branch Call Number: Feature
Characteristics: 1 videodisc (90 min.) : sound, color ; 4 3/4 in.