The star-studded All-Star Nickmas Spectacular special features appearances and musical performances by JoJo Siwa, That Girl Lay Lay, and Ne-Yo, as All That star Lex Lumpkin journeys to the North Pole to meet Santa Claus before the biggest show of the year. Special appearances by Gabriel Iglesias, Jay Pharoah, Tisha Campbell, Trevor Noah, Young Dylan and the casts of All That, The Astronauts, Danger Force, Group Chat and Nickelodeon's Unfiltered, including Darci Lynne with Petunia. The show also includes special messages from animated stars SpongeBob SquarePants, Lincoln and Lucy from The Loud House, and Ronnie Anne from The Casagrandes.