Sam and Mark look back at some of their favourite wind-ups and celebrity guests from the fourth series, including Union J, the Vamps and Jedward. Show more
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Sam and Mark look back at some of their favourite wind-ups and celebrity guests from the fourth series, including Union J, the Vamps and Jedward. Show more
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
