Synopsis: Devoted father and husband Evan gets more than he bargained for when he lets two girls into his house.
Director: Eli Roth
Runtime: 99 minutes
MPAA Rating: R
Netflix (US): No
Jump Scares: 2 (0 major, 2 minor)
Jump Scare Rating: Knock Knock contains only a couple of very minor jump scares.
Jump Scare Times
43:51 – Evan looks between some clothes in his closet and Bel pops out.
53:40 – Genesis appears behind Evan while he is kneeling on the floor and hits him over the head.