Universal Studios Grinchmas 2024 Schedule. No other details were shared, but returning favorites like “the magic of christmas at hogwarts castle” in the wizarding world of harry potter, grinchmas, and universal’s holiday. The universal holiday tour is available on select dates beginning november 25 through december 29, 2024, and can be booked by visiting.

Get a photo with the grinch during grinchmas at islands of. 29, guests can enjoy a guided journey through popular.