Halloween Horror Nights 2025 California 2025. This year, halloween horror nights will run select nights from august 30th through november 3rd. — universal studios hollywood's halloween horror nights 2025 features eight diverse haunted houses, including a quiet place and monstruos 2:
— with halloween horror nights just around the corner, many fans have been waiting in eager anticipation for the first announcement of the season as universal. The legacy of leatherface haunted maze coming to halloween horror nights at universal studios hollywood.