Watch more Saturday MashUp on BBC iPlayer https://www.bbc.co.uk/iplayer/episode...

See one half of Max and Harvey get gunged and super slimed!

Make sure you tune into Saturday MashUp! on CBBC every Saturday at 9am or catch up via the BBC iPlayer for more brilliant music performances, fun and challenges.

Click here for more: https://www.bbc.co.uk/cbbc/shows/satu...

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