Britain's Got Talent magician Jack Rhodes and Potato Queen Poppy O'Toole join the gang all morning - but who will be slimed?

Joe, Shereen and Stanley welcome the One Zoo Three brothers and online star Alexa Williams to the studio for a morning of live, unpredictable entertainment.

Britain's Got Talent winner Sydnie Christmas and Traitors stars Harry and Paul join the team for a morning of live, unpredictable entertainment.

Kabin Crew land in the Mash-Up studio for a performance of their viral hit, The Spark. 

Glow Up stars Shania and Ella and gamer kayPOW try to avoid a slimy makeover, whilst Buddy Oliver plays This or That. 

There's cartoon fun from Pokemon and Grizzy, and Stanley is out and about on another mission. 

Saturday Mash-Up is totally live… so anything can happen!

Alexandra Chave - aka Piper in The Next Step - struts into the Mash-Up studio. Online star ThatsWatson takes on the Mash Car Rally, and there is a high-octane Joe v Shereen challenge. Plus cartoon fun in Pokemon, and somebody will be slimed!

Britain's Got Talent finalist Mike Woodhams and online stars The Lewis Sisters join Joe, Shereen and Stanley for a morning of live entertainment. Kia Pegg is out and about to slime a deserving parent, and there's cartoon fun from Total Dramarama. Saturday Mash-Up is totally live… so anything can happen! 

Joe and Shereen welcome Race Across the World winners Alfie and Owen to the studio alongside stars from Strictly Come Dancing - but who will be slimed? Joe and Shereen go head-to-head in their first challenge of the series, and there is another game of Back to the Drawing Board. Plus cartoon fun in Grizzy and Boy Girl Dog Cat Mouse Cheese.

The Gladiators join Joe, Shereen and Stanley all morning as the live entertainment extravaganza returns. Stanley meets up with Steve Carell to talk Despicable Me 4, and there are brand new games, including Back to the Drawing Board and Strictly Come Sliming. Plus the team attempt to break a very slimy world record! With cartoon fun from Boy Girl Dog Cat Mouse Cheese and Pokémo, it's going to be the biggest series yet! Mash-Up is totally live - so anything can happen!