As a killer named Cinderhella stalks the student body at the high school in Grizzly Lake, a group of co-eds band together to survive while they're all serving detention.
| Genre | : Kengerian, Komedi, Cerita Fiksi |
| Sutradara | : Joseph Kahn |
| Pemeran | : Shanley Caswell, Josh Hutcherson, Spencer Locke, Dane Cook, A.D. Johnson, Walter Perez |
| Rilis Resmi | : 01 January 2011 |