There is a specific kind of disappointment that comes from getting on a ride expecting one thing and getting something else entirely. It happens more often than people realize at Walt Disney World, and most often during special events. You walk up to a favorite attraction, you get in line, you settle into the vehicle, and then the music is different, or the lights are off, or the whole tone of the thing has shifted. If you knew it was coming, that is a bonus. If you did not, it can genuinely throw off a ride you were looking forward to all day.Mickey’s Not-So-Scary Halloween Party is one of the biggest examples of this at Magic Kingdom, and it is now underway. The first party night of 2026 has kicked off, which means the overlays are live.Most of the park operates normally during party hours. But three attractions do not, and knowing which ones ahead of time makes a real difference in how you plan your night.Here is what changes, plus the full list of what is actually open during the party.Credit: DisneyThe Three Disney World Rides That Get Halloween OverlaysOut of everything operating during Mickey’s Not-So-Scary Halloween Party, three attractions receive overlays.Mad Tea PartySpace MountainMonsters, Inc. Laugh FloorAll three are party-exclusive. You cannot experience these versions on a regular park day, which is part of what makes them worth prioritizing if you have a ticket.Mad Tea PartyThe teacups get a seasonal treatment that changes the entire feel of the attraction.The normal soundtrack is replaced with a spooky oneSpooky lighting effects are added throughoutIt is a simple change on paper, but the lighting is what sells it. Spinning with the fun lighting with different music turns a fairly gentle Fantasyland attraction into something with a genuinely different atmosphere.If you have kids who find the standard Mad Tea Party a little too tame, this version tends to land better.Credit: DisneySpace MountainThis is the one to prioritize, and it is arguably the best overlay of the three.A spooky soundtrack replaces the standard audioAll of the lights are turned offThat second point deserves emphasis. Space Mountain already operates in near darkness, but during the party, the lights go all the way off. You genuinely cannot tell when a turn is coming or when a drop is about to hit.Longtime fans will tell you this is scarier than Haunted Mansion on a party night, and they have a point. There is something specific about losing every visual cue on a coaster you have ridden dozens of times.Worth noting for context: riding Space Mountain with the lights fully on, which occasionally happens during evacuations or maintenance, is a completely different and much less magical experience. Pitch black is how this ride is meant to be experienced.Credit: Lee, FlickrMonsters, Inc. Laugh FloorThe comedy show goes seasonal, and the format stays intact.The monsters appear in Halloween spiritThe show you know continues, with a spooky twist throughoutYes, “that guy” is still part of the show. He may just be dressed as a ghost.This one is a good option in the middle of the night when trick-or-treat lines are heavy, and you want to sit down in air conditioning for a while without giving up on party-exclusive content.Credit: Disney Every Attraction Open During the PartyFor planning purposes, here is what is actually operating at Magic Kingdom during Mickey’s Not-So-Scary Halloween Party.AdventurelandPirates of the CaribbeanJungle CruiseThe Magic Carpets of AladdinCredit: Disney FrontierlandBig Thunder Mountain RailroadTiana’s Bayou AdventureCredit: Jeremy Thompson, FlickrLiberty SquareHaunted MansionCredit: Anna Fox, FlickrFantasylandUnder the Sea, Journey of the Little MermaidSeven Dwarfs Mine TrainPrince Charming Regal Carrousel“it’s a small world”Peter Pan’s FlightThe Many Adventures of Winnie the PoohMad Tea Party