Sammy, a surviving teacher rejoins her colleagues back at work. After hearing some odd noises around the classrooms Sammy feels she is being watched. When she hears the familiar knocking at the door she realizes her nightmare is not over. Kate Sandison, Danielle Scott, Bao Tieu, Stephen Staley, Chris Cordell, Paula Coiz, Meg Matthews Added on Peacock 2023-10-02.