Saturday Mash-Up Live! S07E02 - With Race Across the World and Strictly!

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.