This week The Vamps and The Next Step stars Trevor and Isaac (aka James and Eldon) drop in. Camilla Cabello answers questions in Stars Behind Bars and Hacker hangs out with JoJo Siwa. There's another brand new edition of The Next Step, plus cartoon action from Danger Mouse, Ooglies and Zig and Zag. And five more callers get the chance to guess How Many Things Are In The Thing?