In a packed show, the stars of Horrible Histories drop in to chat about their new series. Stanley goes behind the scenes to meet the Strictly Come Dancing couples and get some gossip, while Paddington: The Musical composer Tom Fletcher plays Truth or Dare. Just the Brave perform their latest tune, and Britain's Got Talent finalist Olly Pearson impresses with his guitar skills! 

Also, Joe and Shereen take on their latest surprise head-to-head challenge, cartoon fun from SpongeBob Squarepants and more silly Senseless. Saturday Mash-Up is totally live... so anything can happen! 

Joe and Shereen welcome the cast of CBBC's Gifted into the studio. 

Stanley meets the stars of Zootropolis 2, and Nathan Evans and Saint Phnx perform their new tune. Princess and Junior Andre face Stanley's Great Big Interview and there's cartoon fun in SpongeBob SquarePants. 

Also, Kia is out and about to deliver a great big slimy surprise! Saturday Mash-Up is totally live… so anything can happen!