Guest Stars Adam Sandler as Himself Josh Peck as Himself Jace Norman as Himself Ariana Grande as Herself JoJo Siwa as Herself Will Smith as Himself Riele West Downs as Herself Ally Brooke as Herself Chris Pratt as Himself Caleb McLaughlin as Himself Candace Cameron Bure as Herself Liza Koshy as Herself Joe Jonas as Himself David Dobrik as Himself Zachary Levi as Himself Daniella Perkins as Herself Jodie Sweetin as Herself Jason Sudeikis as Himself Nick Jonas as Himself Lilly Singh as Herself Isabela Merced as Herself (Isabela Moner) Lilimar Hernandez as Herself Soni Nicole Bringas as Herself Scott Weinger as Himself Andrea Barber as Herself Owen Joyner as Himself Michael Campion as Himself Elias Harger as Himself Alia Shelesh as Herself Kiernan Shipka as Herself Joey King as Herself Kylie Jenner as Herself Lana Condor as Herself Asher Angel as Himself Paris Berelc as Herself Michael Peña as Himself Noah Centineo as Himself Janelle Monáe as Themselves Naomi Scott as Herself Joel Courtney as Himself Jack Dylan Grazer as Himself Jennifer Hudson as Herself Bebe Rexha as Herself Kevin Jonas as Himself Shameik Moore as Himself Mena Massoud as Himself Scarlet Spencer as Herself Ryan Kaji as Himself Ethan Slater as SpongeBob SquarePants Dallas Dupree Young as Himself Migos as Themselves (Performer) Christina Sajous as Sandy Cheeks Eugenio Derbez as Himself Jack & Jack as Themselves Gavin Lee as Squidward Tentacles Danny Skinner as Patrick Star Allan K. Washington as Plankton Brian Ray Norris as Mr. Eugene H. Krabs