Where To Stream Saturday Mash-Up Live! Season 8 Episode 18

Bionic, Diamond, Nitro and Steel from Gladiators join in the fun all morning – and one of them will be slimed! It's the grand finale of Joe v Shereen... can Shereen draw level, or will Joe be victorious? There's a special Christmas performance from Kidz Bop and games including Senseless. Plus festive cartoon fun from SpongeBob Squarepants!