Twist and Pulse and new Blue Peter presenter Mwaksy join Joe, Harpz and Stanley.

Joe, Harpz and Stanley are back for another House Party!

Holly H and Strictly professional Janette Manrara join Joe Tasker, Harpz Kaur and Stanley.

Joe, Harpz and Stanley are joined by Cher Lloyd and Strictly's Dianne Buswell.

Joe, Harpz and Stanley are joined by Masked Singer star Jason Manford.

Joe, Harpz and Stanley host a morning of Mash-Up fun – with a difference!

Joe, Harpz and Stanley host a morning of Mash-Up fun from their own homes!

Joe, Harpz and Stanley host a morning of Mash-Up fun – with a difference!

Joe, Harpz and Stanley look back at the best moments from the series so far.

Joe, Harpz and Stanley welcome CBBC’s Rhys Stephenson and Radio 1’s Katie Thistleton.

Tom Gates author Liz Pichon and pop stars RoadTrip are live in the studio all morning.

Joe, Harpz and Stanley are joined by online stars Max and Harvey.

Joe Tasker and Harpz Kaur are joined by Got What It Takes star Anna Maynard.

Almost Never stars The Wonderland join Joe, Harpz and Stanley.

Joe and Harpz welcome stars from The Worst Witch.

Joe and Harpz welcome stars from CBBC’s 4 O’Clock Club live into the studio.

Annabelle Davis and Louis Payne from The Dumping Ground drop in.

Join the Saturday Mash-Up team for festive fun.

Naomi Wilkinson, Lauren Layfield and Jade Bird join Jonny, Yasmin and Hacker.

Stars of CBBC’s Almost Never and 4 O’Clock Club are live in the studio all morning.

Featuring Max & Harvey, Mark Ferris, Mabel and Drs Chris and Xand.

Featuring Oti Mabuse, Marcus and Martinus, Zara Larsson and Art Ninja.

Two hours of live Saturday morning fun with Yasmin, Jonny and Hacker.

The Saturday Mash-Up team star in their own version of A Christmas Carol.

A host of CBBC favourites drop in for a huge Christmas special.