Halloween Horror Nights at Universal Studios Hollywood is an extremely popular event amongst locals and tourists alike. Since this is a popular event for folks who live in the area, you will see much larger crowds on weekends than on weekdays. You can read more about crowds at Universal Studios Hollywood in our crowd calendar.

Halloween Horror Nights at Universal Studios Florida is kicking off its 34th year in frightfully fabulous style. Just like last year, the park is starting scary season early, opening the event on Friday, August 29, 2025, and continuing through November 2, providing a little breathing room to sneak in extra screams. So get your tickets now.

Universal Orlando is raising the stakes for its 34th edition of Halloween Horror Nights, promising more terror than ever with a lineup of haunted houses, scare zones and live entertainment beginning Aug.