Saturday Mash-Up Live! - Episode Guide

This week Extreme Mountain Challenge, Deadly 60 and former Strictly Come Dancing star Steve Backshall will be in the studio, discussing his animal adventures, answering questions from viewers and taking part in some hare-brained games. Steve will take on the fearsome Push Off challenge- but will he avoid a mash-up gunging?

Throughout the morning viewers can get involved in the Make Me Viral challenge - who will get the nation talking with their videos? Can you get in touch to guess 'how many things are in the thing?'

To top it all there will be cartoon fun with Danger Mouse and a brand new episode of CBBC favourite The Next Step.

So stick with Saturday Mash-Up! – the show where anything can happen….except cooking!

Interactive entertainment show presented by Yasmin Evans and Jonny Nelson, with Hacker T Dog. Two more celebrities take on the Push-Off challenge - how many toilet rolls will they land in their trolley? And there's more Things in the Thing. The programme also features another brand new episode of The Next Step, plus cartoon action from Danger Mouse and Ooglies. Hacker T Dog causes trouble with his lie detector, and Coronation Street star Jennie McAlpine is locked up in Stars behind Bars. Plus music from JP Cooper.

Jonny Nelson, Yasmin Evans and Hacker T Dog return for another morning of Saturday Mash-Up! They're joined by stars from CBBC drama The Dumping Ground, and Jermaine Jenas is locked up for Stars Behind Bars. There's a brand new episode of The Next Step, and cartoon action from Danger Mouse and Ooglies. Two more celebrities vie to top the leaderboard in Push Off, and there are more Things in the Thing! Anything can happen on Saturday Mash-Up... except cooking!

Yasmin, Jonny and Hacker return for more live entertainment. Featuring Jim Chapman, New Hope Club and Radio 1's Chris Stark. Meanwhile, Hacker gets his dancing shoes on when he visits the set of Strictly: It Takes Two and meets Zoe Ball. There's the worldwide premiere of a brand new edition of The Next Step, and cartoon action from Danger Mouse, Ooglies and Zig and Zag. More stars take on the tower of toilet roll in Push Off, and another round of How Many Things in the Thing?

Yasmin, Jonny and Hacker are back for another morning of live entertainment. 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?

Yasmin, Jonny and Hacker are back for more live entertainment. This week Pixie Lott, Matt Edmondson and The Next Step stars Shelby Bain and Isaiah Peck, aka Amy and Henry, are in the studio, and Jonny hangs out with a host of vlogging stars. There's also another brand new edition of The Next Step and cartoon action from Danger Mouse and Zig and Zag. And can any of this week's celebrities top the leaderboard when they take on the Push Off challenge?

Yasmin, Jonny and Hacker are back for more live entertainment. This week's line-up includes online stars Lisa and Lena, actor Freddie Fox, magician Dynamo and musician HRVY. Also, the England rugby league team put Hacker through his paces, and there's another brand new edition of The Next Step and cartoon action from Danger Mouse, Ooglies and Zig and Zag.

Yasmin, Jonny and Hacker are back for more live entertainment. This week's line-up includes DanTDM and Max and Harvey. There is another brand new edition of The Next Step and cartoon action from Danger Mouse and Zig and Zag. Plus more callers are on the line to guess 'How many things are in the thing?' and find out who will look flushed as they attempt to topple the toilet rolls in Push Off!

Yasmin, Jonny and Hacker are back for more live entertainment. This week's line-up includes stars from The Pets Factor, WWE and Emmerdale. There is another brand new edition of The Next Step and cartoon action from Danger Mouse and Dennis and Gnasher Unleashed. More callers are on the line to guess 'How many things are in the thing?' and find out who will look flushed as they attempt to topple the toilet rolls in Push Off!

Yasmin, Jonny and Hacker are back for more live entertainment. This week's line-up includes Matt Terry, Chris and Xand from Operation Ouch, Lauren Layfield from The Dengineers and the series finale of The Next Step. Plus an exciting live outside broadcast - will Chris and Xand make it from the hospital to the Mash-Up studio on time? Jonny meets some Mash-Up viewers in hospitals around the country, Sam Quek is the Star Behind Bars, and there is more fun and games in 'How many things are in the thing?' and Push Off!

Yasmin, Jonny and Hacker are getting into the festive mood. This week's guests include Tom Fletcher and Lindsey Russell. Also including some of CBBC's biggest shows - Danger Mouse, Dennis and Gnasher Unleashed and brand new Odd Squad. And there is more fun and games in 'How many things are in the thing?' and Push Off! (With brand new Odd Squad).

Yasmin, Jonny and Hacker welcome a host of stars into the studio for their live Christmas party. Plus we crown one celebrity the Push Off Champion for 2017! Plus some of CBBC's biggest shows - Danger Mouse, Dennis and Gnasher Unleashed and brand new Odd Squad. And there's more Things in the Thing and a look at some of the best bits from the series.

The cast of So Awkward and vlogger Houssein join Yasmin, Jonny and Hacker! But who will get slimed? Max and Harvey are put into detention and Hacker meets the new Doctor Who - Jodie Whittaker. There's cartoon action in new episodes of Dragons: Race to the Edge and the return of Mash-Up favourites Push-Off and How Many Things in the Thing? Also, for the first time on TV, Musical Toilets! It's totally live - so anything can happen!

RoadTrip and Lewys Ball are amongst the stars joining the Mash-Up gang. There's brand new cartoon action in Dragons: Race to the Edge, Nadiya Hussain is in detention, and there's favourite games Push Off, Musical Toilets and How Many Things In the Thing. It's totally live - so anything can happen!

Stars from The Dumping Ground and vloggers Olivia Grace and Lovevie join Jonny, Yasmin and Hacker. There's cartoon action in Dragons: Race to the Edge, Olly Murs is in detention and there's more Push-Off, Musical Toilets and How Many Things in the Thing.

New Hope Club are in the studio and performing their new single. Blue Peter's Lindsey Russell will be chatting about Blue Peter's big 60th birthday and someone will be slimed! Also, more Push-Off, Musical Toilets and How Many Things in the Thing. It's totally live - so anything can happen! Jonny Nelson, Yasmin Evans and Hacker T Dog host.

Hacker catches up with JoJo Siwa and Strictly star Vick Hope is in the studio all morning. There's music from Four of Diamonds and Jamie Johnson star Lenna Gunning Williams drops in for a chat. Also, more Push-Off, Musical Toilets.

HRVY and the Pets Factor vets are in the studio all morning. Hacker takes a trip behind the scenes at Holby City and Strictly Come Dancing duo Lauren and AJ are in detention. Also, Push-Off, Musical Toilets and How Many Things in the Thing. It's totally live - so anything can happen.

In this episode, Hacker catches up with star of The Grinch, Benedict Cumberbatch. Mabel performs her new single, vlogger Tiana drops in and Dengineers host Joe Tracini is live all morning. There's cartoon action in two brand new episodes of Dragons: Race to the Edge, plus games galore including Push Off, Musical Toilets and How Many Things in the Thing. It's totally live - so anything can happen! Yasmin Evans, Jonny Nelson and Hacker T Dog host.

The cast of The Next Step are live in the studio all morning - but who will get slimed? Online singing sensation Sapphire performs live, while The Vamps are in detention. Plus Hacker takes a trip to Blackpool to go behind the scenes at Strictly Come Dancing. There's cartoon action in two brand new episodes of Dragons: Race to the Edge as well as Push Off, Musical Toilets and How Many Things In the Thing. It's totally live - so anything can happen! Yasmin Evans, Jonny Nelson and Hacker T. Dog host.

Hacker catches up with WWE stars The New Day, Briony from The Great British Bake Off drops in and John Farnworth has all the latest on Can You Kick It? Plus Danger Mouse's pal Penfold is in detention. There is cartoon action in two brand new episodes of Dragons: Race to the Edge, as well as favourite games including Push Off, Musical Toilets and How Many Things in the Thing. It's totally live - so anything can happen! Jonny Nelson, Yasmin Evans and Hacker T Dog host.

Ruby Rube, Kidz Bop and Coronation Street actors Joe Duttine and Colson Smith are in the studio all morning. Anna Maynard stays back after class in detention and there's two brand new episodes of Dragons: Race to the Edge. Also, Push Off, Musical Toilets and How Many Things In the Thing. It's totally live – so anything can happen! Jonny Nelson, Yasmin Evans and Hacker T. Dog host.

Sam and Mark, Rosie McClelland and X Factor stars Acacia and Aaliyah are live in the studio all morning. Hacker meets more stars in Dog Meet and there's two brand new episodes of Dragons: Race to the Edge. Also with Push-Off, Musical Toilets and How Many Things In the Thing. It's totally live - so anything can happen! Yasmin Evans, Jonny Nelson and Hacker T Dog host.

Kimberly Wyatt is in to talk about a big new CBBC drama, Emmerdale's Dominic Brunt will be trying to dodge the slime and Ronan Parke performs his Christmas single. Also, Hacker goes behind the scenes at a pantomime and comedian Dara O'Briain is in detention. There's the start of a big new adventure in Dragons: Race to the Edge, and Push-Off, Musical Toilets and How Many Things In the Thing.

A host of CBBC favourites drop in for a huge Christmas special. Hacker stars in A Mash-Up Christmas Carol - his own take on the story of Scrooge - featuring a guest appearance from Zoe Ball. And Roy Wood is in the studio to perform a Christmas classic. Jonny's dad competes against Yasmin's mum in Push Off and there's a slimy singalong. Plus the final two episodes of Dragons: Race to the Edge.

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

Joe and Harpz welcome Strictly Come Dancing professionals Gorka and Katya into the studio for a morning of live entertainment - but which of them will you vote to be slimed? There is comedy from Stanley, live music from Eyelar and more of the best games, including Scooting Stars and Bin It To Win It.

Joe and Harpz host another morning of live entertainment featuring a host of stars - and one of them will be slimed! There are more of your favourite games, including Bin It To Win It and Bubble and Speak, as well as plemty of of chances to take part live from your living room.

My Mum Tracy Beaker stars Dani Harmer and Emma Maggie Davies are live in the studio for a Beaker bonanza! And watch out. There are more of your favourite games, including Bin It To Win It, Scooting Stars and Bubble & Speak, as well as cartoon fun and lots of chances to take part from home.

Joe Taker and Harpz Kaur welcome Strictly stars Giovanni Pernice and Amy Dowden to the studio along with Crackerjack! hosts Sam and Mark. There are more of your favourite games, including Bin It To Win It and Scooting Stars, the best CBBC cartoons and more live surprises! Plus competitions, laughs and lots of chances to get involved from home.

Joe and Harpz are joined live by Dancing on Ice finalist Sonny Jay and his skating partner Angela Egan. We catch up with Operation Ouch! stars Chris and Xand, plus there is another surprise for one unsuspecting Mash-Up viewer. There's the best CBBC shows - including Boy Girl Dog Cat Mouse Cheese and Odd Squad plus music, comedy, competitions and games. It's totally live... so anything can happen!

Joe and Harpz go head to head when they become Scooting Stars contestants for the morning - but who will win this special race? Guests include Dani Harmer, Sam and Mark, Ryan Russell, Richie Driss, Ben Shires and many more! There is cartoon fun in Boy Girl Dog Cat Mouse Cheese, and another surprise challenge for Joe and Harpz!

Joe, Harpz and Stanley are joined by stars from CBBC's Mystic, Britain's Got Talent winner Axel Blake shares the secrets of his success in his A to Z of Me, and Got What It Takes winner Georgie performs. Stanley is out and about on another staycation, there is cartoon fun in We Bare Bears, along with plenty of laughs and slime!

Joe, Harpz and Stanley are live from Glasgow for a morning of unmissable entertainment! WWE NXT UK tag team champions Ashton Smith and Oliver Carter are in the studio alongside Britain's Got Talent runner-up Jamie Leahey. The cast of Malory Towers share behind-the-scenes secrets in their A to Z of Me, and we find out how one lucky viewer got on living their dream! Plus cartoon fun in We Bare Bears and Ninja Express. Mash-Up is totally live, so anything can happen!

Mash-Up is back! Get ready for new games, including a giant celebrity cereal bowl challenge! There is the return of cartoon favourites, including We Bare Bears and Summer Camp Island, and Stanley takes to the streets of the UK looking for Britain's latest superhero! And no-one is safe when Rhys Stephenson turns up to surprise a lucky viewer - live!

Stars from The Next Step are live in the studio all morning for lots of Mash-Up fun! CBBC adventurer Steve Backshall delivers his A-Z of Me as well as news of his latest series. Stanley is on the hunt for another member of the public to join his Super Squad, and there is live music and the very best cartoons. Mash-Up is totally live... so anything can happen!

The One Zoo Three brothers are live in the studio all morning - but which of them will be slimed? The hunt continues for members of the public to join Super Stanley's Super Squad, and there is another messy game of Bad Hair Day. Plus loads of ways to get involved at home, cartoon fun with We Bare Bears, and lots of laughs.

It's a Strictly Special as we are joined by dancing pros Nikita Kuzmin and Graziano Di Prima. Also on the show, Paralympian swimmer Ellie Simmonds and Nova Jones actress Mollie Rainford try to avoid the slime!. There is plenty of cartoon fun with Ninja Express and Summer Camp Island, and Stanley is looking for love with Valentine's Day is just around the corner.

Joe, Stanley, Kia and Shereen host a huge party to celebrate the coronation of HM King Charles III. Comedian and artist Bec Hill creates a giant piece of artwork to mark the special day, while Strictly's Carlos and Jowita, comedian Philip Green and Bake Off's Crystelle Pereira compete in a series of challenges to try and avoid a sliming. Stanley heads to London to find out more about the big occasion, and two families take on a game of Royaloke! Plus cartoon fun and a special music performance.