Halloween Horror Nights 2024 Hollywood. Each scare zone is its own unique avenue of horror, and we have you covered with a complete guide to the hhn 2024 scare zones at universal studios hollywood. Halloween horror nights start in the beginning of september and run on varying nights until halloween.

Then we will uncover the houses, scare zones and other entertainment as the details trickle in and update once we attend opening night. Hhn runs from september 5 to november 3, 2024!