Space Ninjas

Detention becomes survival for five students trapped in a high school with Space Ninja assassins. This B movie comedy slash horror follows these misfit heroes trying to survive the night from an alien invasion.
Five high school misfits are called for detention on a Saturday night by their teacher but as the night closes in an elite group of Space Ninjas begin their invasion on the secluded school. After the Space Ninjas kill the teacher, the students are left to fend for themselves, as they try to escape the school grounds and survive the night.