UP
Unknown Person
In 2 titles on Horrorometer
As Cast
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.
Return of the Living Dead Part II
MOVIE•1988
When two bumbling employees at a medical supply warehouse accidentally release a deadly gas into the air, the vapors cause the dead to rise again as zombies.
The Return of the Living Dead
MOVIE•1985