Halloween Screams is the fireworks show presented during Mickey's Halloween Party each year! The full title of the show is "Halloween Screams: A villainous Surprise in the Skies". It's one of my favorite fireworks shows of the year, and not to be missed!
The show features various villains and songs accompanied by explosive fireworks in the sky. Here is a good summary from Wikipedia:
The show opens with the overture from Tim Burton’s The Nightmare Before Christmas, an instrumental medley of songs from the film including "What`s This?" and "Making Christmas". Zero (Jack Skellington’s dog from the film) flies above Sleeping Beauty Castle. He is shortly joined by Jack, or rather his head (in the form of projection onto a sphere shaped balloon), located on the upper left of the castle. These projections can also be viewed along the Rivers of America, which recycle the mist screens used in Fantasmic!. There are only searchlights and projection mapping used in the show's introduction. No actual pyrotechnics are used for the first two minutes.
Jack and Zero fade into the night and the first pyrotechnics are launched when "Grim Grinning Ghosts", from the Disneyland attraction the Haunted Mansion, begins to play. Projections of rising ghosts make an appearance on the castle. The music from "Grim Grinning Ghosts" changes to an upbeat pop tempo, as synchronized isobar flames, shoot up from both sides of the castle. Then the mood is set with "This is Halloween" from The Nightmare Before Christmas.
Then Disney's most infamous villains begin to arrive, beginning with Ursula (from The Little Mermaid). The guests are serenaded with a montage of Disney's most spookiest music. Later, Oogie Boogie (from The Nightmare Before Christmas) soon follows, and arriving last is Maleficent (from Sleeping Beauty), showing guests how Halloween should really be celebrated. The party ends with Jack and Zero initiating the "scream-along" grand finale.
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