The final three contestants produce and star in their own holiday-themed music videos; JoJo Siwa joins Santa and Ms. Jingles to crown the winner.

Seven kid "elf-testants" with extraordinary building and design skills compete in festive challenges to become Santa's "Top Elf" and have their wish lists granted for good causes in their hometowns.

Singer-songwriter Tori Kelly joins Santa and Ms. Jingles to judge a runway show of prototypes for Santa's new super vest.

Six extraordinary kid creators are in the running for the title of Top Elf.

Seven extraordinary Elf-testants are transported by Santa to the North Pole to compete for the title of Top Elf; social media star Addison Rae joins Santa and Ms. Jingles to judge life-sized advent calendar spaces.