Wolfblood's Leona Vaughan joins Sam and Mark in the studio. There is also music from singing sensations Collabro, and the boys embark on their toughest challenge yet. Show more
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Wolfblood's Leona Vaughan joins Sam and Mark in the studio. There is also music from singing sensations Collabro, and the boys embark on their toughest 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.
