Halloween Horror Nights at Universal Studios Hollywood opens September 12th — from $79 for the experience of having something genuinely chase you through a fog machine in the dark while a stranger next to you screams loud enough to embarrass themselves. This is not a haunted house. This is a park that goes dark.
From September into November, the studio backlot stops being a tourist attraction and becomes something that operates on a different frequency. The production design in these haunted houses is built by people who make the actual films — that's not marketing copy, it's why the scare lands differently than a local attraction. You walk through hallways that feel exactly like a set and can't locate the moment the line between attraction and something else disappeared. The crowds are part of it: strangers flinching in unison, the particular laugh that comes out of people when they're scared and then relieved, the way a group of friends who thought they were too old for this clings to each other by house three. Go with people you trust. Or go with people you want to know better. Fear is surprisingly efficient at both. Grab tickets early — peak October nights sell out. This is not the event where you negotiate on price the week of.
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Oogie Boogie Bash exists because Halloween deserves its own world.
Not decorations bolted onto a normal park day. Not a pumpkin display near the entrance. A completely different version of Disney California Adventure that comes to life after dark, on select nights from August through Halloween — built around the idea that the darkest night of the year deserves its own theatrical universe.
The 2026 edition introduces Madame Leota's Swinging Wake, a Haunted Mansion street party that replaces the Frightfully Fun Parade. Less a parade, more a séance that spills into the streets — Madame Leota hosting the proceedings while happy haunts materialize throughout. On select evenings, Ichabod Crane runs through California Adventure pursued by the Headless Horseman. The rare character roster — Ernesto de la Cruz from Coco, the Sanderson Sister versions of Minnie, Daisy, and Clarabelle — shows up nowhere else in the Disney park universe.
The five hours from 6pm to 11pm move faster than any normal park day. Veteran attendees treat the Treat Trails as a self-guided tour of California Adventure's stranger corners — each staffed with a character or spectacle that doesn't exist during daytime operation. Park entry opens at 3pm on event nights, three hours before the party officially begins.
This is a separately ticketed event. Tickets run 39 to 99 depending on the date, with Halloween night at the top of the range. General sale opens June 18, 2026, and dates sell out fast — particularly October.
Dates: select Sundays, Tuesdays, and Thursdays, August 18 through October 31. D23 Night: September 27. Halloween Night: October 31.
Sep 3, 2026
$70+
100 Universal City Plaza, Universa…
Being genuinely terrified next to your best friend is its own specific kind of fun — screaming, grabbing an arm, then laughing so hard you can barely make it to the next maze. Halloween Horror Nights turns all of Universal Studios into that feeling after dark: elaborate haunted houses built with movie-studio budgets, this year including the final season of Stranger Things and the Cenobites of Hellraiser, plus scare zones where the monsters follow you and a Terror Tram through the fog-choked backlot. It is horror as a group sport, the most immersive haunt in the country, engineered to make a thousand people scream in unison. Select nights September 3 through November 1, 2026, in Universal City. Round up the friends who scream the loudest and go get the wits scared out of you together — the terror is the point, but the real thrill is surviving it as a group and reliving every jump-scare over late-night tacos afterward.
There is a difference between a horror panel tucked inside a general convention and a whole weekend built by people who wanted to be in a horror room, and San Diego's horror community finally gets the second one. The celebrity guests here are from the films, not from adjacent franchises, and that tells you exactly who the weekend is for.
The floor runs both days with vendors, artists, and guests who came specifically because this is a horror event. Artist alley carries original horror art, prop replicas, and merchandise that does not appear at mainstream conventions. The people who fill it are the ones who pre-order special editions, know the director's filmography, and have real opinions about the best practical effect of the last decade.
Two days in October, when the whole city is in the season that makes this make sense. The DoubleTree Mission Valley handles conventions at this scale cleanly - real function rooms, real space for the floor. If you take horror seriously, this is your weekend. DoubleTree Mission Valley, October 17-18, 2026. Tickets on Eventbrite.
Oct 24, 2026
Free
Quartyard, 1301 Market St, San Die…
Quartyard, 1301 Market St, San Diego. October 24th. Free. The Anime SD Halloween Costume Meetup lands on the Saturday before Halloween, which makes it the night when the costume is at full intensity — planned for months, constructed with intention, worn in a venue full of people who chose to be there in exactly the same spirit.
Quartyard is the right setting for this. The outdoor venue in East Village gives the costumes room and the San Diego October night gives them context — the air is finally cool, the venue lights create the right atmosphere, and the crowd that fills a Halloween cosplay meetup is the crowd that came to see the builds, not just to be seen. The Anime SD community brings genuine effort to these gatherings: the costumes are specific, the references are dense, and the conversation about who chose what character and why runs all night.
Free to attend. October 24th. meetup.com/anime-watch-san-diego for the event details. Come in the costume you've been building since September. Come in the costume you assembled the night before. Both are valid here. The Saturday before Halloween at an outdoor venue in San Diego, full of people in anime costumes — this is the version of October that doesn't exist anywhere else in the city.
Oct 25, 2026
Free
Balboa Park, San Diego, CA 92101
So-Cal Cosplay Scene holds their Halloween edition community photoshoot at Balboa Park on October 25, 2026 — any fandom, any character, free to attend, in the most photogenic park in San Diego on the weekend before Halloween.
Balboa Park in late October is a different experience than summer: the light is lower and warmer, the air has finally cooled, and the Spanish Colonial Revival architecture reads more atmospheric. A horror costume against the Museum of Man facade looks like a production still from something that cost millions. A villain build catches the afternoon light in the fountain plaza in ways genuinely difficult to replicate anywhere else. The park does the work.
So-Cal Cosplay Scene runs this as an open call — no entry requirements, no costume quality threshold, no hierarchy. Halloween-themed costumes are expected but not required. Any fandom, any build. Photographers of all skill levels are encouraged to bring their gear. Morning hours give the best light before the park fills. Follow @socosplayscene on Instagram for the exact meet point and start time. Come in costume. Come with your camera. Come alone and you won't stay alone.
Oct 29 – Oct 30, 2026
The Mayan, 1038 S Hill St, Los Ang…
Once a year, luchadores wear Halloween masks over their regular masks, and somehow that stacking of costume on costume tells you everything about the night you are walking into. This is Lucha VaVoom's annual Halloween show at The Mayan in downtown Los Angeles — the second crown jewel of their calendar, the one where the already-theatrical world of lucha libre collides with a room full of people in their most elaborate getups of the year.
This is Lucha VaVoom at its most maximalist. The luchadores go themed. The burlesque performers deploy their biggest production numbers. MC Eduardo Leal presides over the controlled chaos. And the crowd — which skews hard toward costume competition on Halloween — arrives in everything from full Day of the Dead makeup to superhero suits to luchador masks bought specifically for the night. The collision of Halloween costuming, Mexican wrestling tradition, LA counterculture, and a 1,000-person art deco nightclub at full capacity produces something with no comparable precedent. It is either the strangest evening of your year or the best.
The Mayan is at 1038 S Hill St in downtown Los Angeles, reachable from the I-110 or by rideshare/Metro. 21+. The Halloween show consistently sells out weeks in advance — Lucha VaVoom's email list is the fastest way to get on-sale notice. It runs roughly 2.5 to 3 hours including all matches and burlesque sets.