The movie "When Evil Lurks" premiered at the Toronto International Film Festival (TIFF) on September 13, 2023. It had a limited theatrical release in the United States on October 6, 2023, and became available for streaming on Shudder on October 27, 2023. The film can be watched on streaming platforms such as AMC+, Hulu, Philo, Prime Video, Shudder, and Apple TV Channel. It is also available to buy or rent on Amazon Video, Fandango At Home, Apple TV, and Spectrum On Demand. Additionally, it can be streamed for free on Kanopy. To watch "When Evil Lurks," you can use AMC+, Hulu, Shudder, or other mentioned services depending on your location and subscription availability.