Animated series. When Dennis finds Professor Screwtop's time machine in the lab, he can't resist using it without reading the instructions. Show more
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Animated series. When Dennis finds Professor Screwtop's time machine in the lab, he can't resist using it without reading the instructions. 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.
