Nickelodeon brings cheer this holiday with star-studded appearances and musical performances by JoJo Siwa, That Girl Lay Lay, and Ne-Yo as Nickelodeon star Lex Lumpkin journeys to the North Pole to meet Santa Claus before the biggest show of the year.

A homeless harmonica player teams up with a dancing runaway girl with hopes of finding success despite their impossible situation.