Settled in for "The Odyssey" with popcorn and soda? Hundreds of moviegoers got jolted by Jessica Chastain’s upcoming horror flick "Other Mommy" trailer this weekend. Starting with a warm kitchen chat with her onscreen daughter, it quickly turns eerie: her whispery question, burning pasta, smoke, then a disfigured Chastain popping out from under the table.

Social media’s buzzing—some want theaters to post warnings, while horror fans argue it’s normal before R-rated films. Ever been caught off guard by a terrifying trailer when you least expected it? Share your story below!