Universal'S Halloween Horror Nights 2025

Universal'S Halloween Horror Nights 2025. Halloween horror nights 2025 dates and hours (california) at universal studios hollywood, hhn will operate every thursday, friday, saturday, and sunday. As is typical for hhn, there will be 10 haunted houses at universal's.

This year, halloween horror nights will run select nights from august 30th through november 3rd. The universal theme parks have officially announced all the houses for both the hollywood and orlando halloween.