The Oceanside Fire Department is investigating a suspected arson fire late Wednesday night at the Regal Cinema.

A 41-year-old woman confessed to setting an arson fire last week at an unoccupied movie theater after being spotted by police on surveillance video, the Oceanside Police Department said Wednesday.

Luckily for scary movie lovers ... The theater is also serving a Cookies and Scream milkshake and a series of horror-themed chicken wings. 11620 Carmel Mountain Road, San Diego.