Cartoon series about a ten-year-old girl who solves ghoulish mysteries. Mona suspects that the exchange student at school is really an alien on an advance scouting mission.
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Cartoon series about a ten-year-old girl who solves ghoulish mysteries. Mona suspects that the exchange student at school is really an alien on an advance scouting mission.
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.
