If you liked this movie, you should also see: A Nightmare on Elm Street 3: Dream Warriors (1987)Severance (2006)The Ninth Gate (1999)Zombieland (2009)Shaun of the Dead (2004)
A group of kids discover one of the drums containing a rotting corpse and release the 2-4-5 Trioxin gas into the air, causing the dead to once again rise from the grave and seek out brains.