A field trip goes badly wrong in the comedy horror flick "Little Monsters."

Altitude Films unveiled a Josh Gad), who doesn't seem to actually enjoy children, based on what we've seen so far.

The trailer shows the danger of the zombies and how Miss Caroline does her best to hide it from the kids. At one point, when she's covered with blood, she tries to tell them she got in the middle of a jam fight. Watch below, and know that the trailer is NSFW because of language and gore.

"Little Monsters" made its debut at the 2019 Sundance Film Festival and will hit theaters in the UK and Ireland on Nov. 15. Its U.S. release date hasn't yet been announced.