Hosted by Julianne Hough and Alfonso Ribeiro, ‘‘The Wonderful World of Disney: Holiday Spectacular’’ returns for its ninth year with a sparkling spectacle of new musical performances from Walt Disney World Resort in Florida, Disneyland Resort in California and Aulani, a Disney Resort & Spa in Ko’Olina, HawaiĘ»i. Narrated by Kristen Bell, who will share the tale of how the Disney Parks kicks off the most magical holiday ever.