Owen Joyner and Daniella Perkins aren’t the only stars on Knight Squad! Jack Griffo, Kira Kosarin, Lizzy Greene, Sydney Park and Jessie Graff have all joined on the action as guest stars in the Kingdom of Astoria! Which is your favorite Knight Squad guest star moment? Let us know in the comments below! Catch more Knight Squad on Nick! #Nick #Nickelodeon #BTS #KnightSquad #JackGriffo #KiraKosarin #LizzyGreene #NickStarsIRL Subscribe if you love Nickelodeon and want to see more: at.nick.com/Subscribe Nickelodeon is the number-one brand for kids with original cartoons, sitcoms, movies, award shows, products, and more! Here on our Nickelodeon YouTube channel you’ll find the shows and animated series you know and love like SpongeBob SquarePants, The Loud House, Teenage Mutant Ninja Turtles, Henry Danger, ALVINNN!!! and The Chipmunks, and more! You’ll also get exclusive access to our digital original series like The JoJo & BowBow Show Show, Inside Nick, and Nia Sioux’s Slumber Par...