The Hollywood version of HHN also has opening scaremonies. In the absence of a yearly theme, the opening scaremonies focus on scareactors from the scarezone nearest to the entrance gates gathering to chase people into the park with pre-recorded intro audio. Unlike Orlando, Hollywood also has a closing scaremony called the Chainsaw Chaseout, where large amounts of scareactors with chainsaws drive remaining guests out of the park for the night.
Halloween Horror Nights: ICUEdit
Jack jumped out of a JACK-IN-THE-BOX, and requested an assistant. The guests was put in a box, in which they seeped a gas turning the guest insane.
Originally, the opening scaremonies were to feature Eddie, then called Edgar, and the Chainsaw Drill Team interrupting Jack's version of the scaremonies. After failed attempts to kill Jack by strangulation and decapitation, Edgar would put a stop to Jack by putting his decapitated head back into the jack-in-the-box then chainsawing it. He then would declare the event "open for business" as the Chainsaw Drill Team ran guests into the park.
Halloween Horror Nights: Islands of FearEdit
The Caretaker on his horse drawn hearse strolled along a red carpet towards the entrance to Islands of Adventure. The Caretaker then jumped off of the hearse, and walked onto the stage with the sub icons of the event: Chainsaw Alice, Carnage, and The Night Mare .
Halloween Horror Nights: 13Edit
The Director filmed a bathtub victim, then opened the gates, by using the electricity generated by the electricity from the tub.
Halloween Horror Nights: XIVEdit
A hooded figure walked onto the stage, and turned on the tesla coil for a fireworks show, then The Caretaker admitted guests into the park.
Halloween Horror Nights: Sweet 16Edit
Sweet 16's opening scaremonies actually took place in the park, featuring the main event icons Jack the Clown, The Caretaker, The Storyteller, and the Director. More detailed information about the scaremonies can be found at The Arrival. All other areas of the park were closed until the show was over.
Halloween Horror Nights: Carnival of CarnageEdit
Jack and three subicons were introduced, and all brutally slaughtered a single guest simultaneously.
Halloween Horror Nights XXIII: What Evil Has Taken Root? Edit
A survivor character on the balcony, fitting with the year's The Walking Dead theme, warned park guests that a horde of "biters" (Walkers) were closing in on the group as they rush the gate. The survivor contacted their partner inside the park, who made noise to divert the Walkers from the gate. One walker made it up to the balcony and attacked the survivor, but the survivor succeeded in beating it with a baseball bat. After that, the gates of the event were opened.
Halloween Horror Nights 24 Edit
A recording announcing the beginning of the annual Purge played as Purge participants loomed outside the gates and on top of the balcony. A lull in the recording allowed the yuppie characters on the balcony to introduce themselves. What the lead yuppie said would vary, but usually involved some mention of the park guests being targets. After that, the purgers outside the gates put on their masks and the gates to the event were opened.
Halloween Horror Nights 25 Edit
Various scareactor characters from Horror Night past and present congregated at the gates. A recording of Jack announced the beginning of the event, with fireworks going off after his introduction. Afterwards, the gates opened.