Horror Night Mazes 2025. Halloween horror nights 2025 begins on september 4, 2025, and goes all the way through november 2025 at universal studios hollywood. Murdy said he has completed the treatment for house #1 at ush, totaling 121 pages, with the.

As mentioned, this is a full day earlier than last year and. Universal studios hollywood unveiled its 2025 calendar of special events, including the schedule for next year’s edition of halloween horror nights.