In the final show of the series, One Direction wind up two megafans with the help of some hidden cameras. Sam and Mark are given their most dangerous challenge yet. Show more
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In the final show of the series, One Direction wind up two megafans with the help of some hidden cameras. Sam and Mark are given their most dangerous challenge yet. 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.
