Halloween Horror Nights 2024. Halloween horror nights 33 takes place on select nights from august 30, 2024, through november 3, 2024. Visit halloween horror nights, the premier halloween event, at universal studios in los angeles, orlando and singapore.

Halloween horror nights 33 takes place on select nights from august 30, 2024, through november 3, 2024. This year, hhn at universal studios hollywood will run on select nights from september 5 to november 3.