Knock Knock is currently streaming on Tubi

Knock Knock (2008)89 minHorrorRating 34/100

When popular high school students start turning up dead, a retired cop teams up with a female detective to track down their vengeful killer.

Cast: Nicole Abisinio, Chris Bashinelli, Kat Castaneda, Suzi Lorraine, Joli Julianna, Matt Fraley, Jim Ford

Director: Joseph Ariola