Universal Hollywood Horror Nights 2024 Dates. Then we will uncover the houses, scare zones and other entertainment as the details trickle in and update once we attend opening night. 3, 2024 at universal studios hollywood in california.

This year, hhn at universal studios hollywood will run on select nights from september 5 to november 3. Halloween horror nights 2024 at universal orlando kicks off on friday, august 30, 2024, and runs through november 3, 2024, on select nights in universal studios.