Harry Potter and the Grinch deck the Universal Studios Hollywood halls along with Mario, Luigi, and Princess Peach who join in the seasonal celebration from Nov. 24, 2025, through Jan. 4, 2026. From Christmas in the Wizarding World of Harry Potter to Grinchmas, let’s see what Universal has planned for the holidays. Christmas in the … Continue reading Universal Hollywood Holidays 2025: Potter Spells, Grinchy Laughs & Mario Merriment