From the team behind The Gruffalo and The Gruffalo's Child, the 30-minute broadcast is among the BBC's festive highlights.
Watch the first clip of Room on the Broom:
Based on the award-winning book by Children's Laureate Julia Donaldson and illustrator Axel Scheffler, it tells the story of a kind witch who invites an unusual mix of animals on her broom, much to the annoyance of her cat.
The episode was produced by Michael Rose and Martin Pope of Magic Light Pictures
Room on the Broom airs on Christmas Day at 4.35pm on BBC One.
Photo gallery - Room on the Broom: