When Does Grinchmas Start At Universal 2024. Grinchmas, christmas in the wizarding world of harry potter and the new holiday overlay at super nintendo world run daily from nov. This year, grinchmas is happening from november 22, 2024 through december 31, 2024.
Get a photo with the grinch during grinchmas at islands of. The universal holiday tour is available on select dates from november 25 through december 29, 2024.