Halloween Horror Nights 2024 Hollywood. This year, hhn at universal studios hollywood will run on select nights from september 5 to november 3. Here's every haunted house, scare zone, date and more for universal studios halloween horror nights 2024 in hollywood and orlando.

Universal studios hollywood has announced dates for halloween horror nights 2024, taking place on select nights between september 5 through november 3, 2024. When is halloween horror nights 2024?