There are a handful of reasons to visit Universal Studios over the holidays. One — the Grinch, the Whos and the whole Grinchmas celebration. Two — the Christmas magic of The Wizarding World of Harry Potter. Three — Super Nintendo World’s seasonal makeover. Four — holiday carolers and costumed character encounters. Five — CityWalk’s live entertainment and a colorful holiday tree. The holiday season typically runs from November 21 through January 3. universalstudioshollywood.com