A poster for director Joseph Kahn's (Torque) strange high school slasher sci-fi comedy hybrid Detention has arrived. The movie stars Dane Cook as a principle who sends a number of students to Detention during Prom just as a slasher begins taking lives and a group of aliens invade. Check out the image below.

<strong><em>Detention</em></strong> Poster
B. Alan Orange at Movieweb
B. Alan Orange