Mr Blobby caused absolute chaos with Hannah Lowther and Stanley on Saturday Mash-Up! You can watch the full episode NOW on BBC iPlayer! 🎬💕 Saturday Mash-Up! is CBBC's live show where anything can happen, featuring Joe Tasker, Shereen Cutkelvin and Stanley the Monster, plus celebrity guests, hilarious challenges, cartoons and, of course, plenty of slime! #SaturdayMashUp!