Clangers (2015)

The Little Chill (1x27)

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It's a very cold day on the Clangers' planet. So cold, that the Iron Chicken has to come down to the living cave to get warm! But when a Sky Moo wants to do the same, she finds the doors are frozen shut and she can't get in. Granny comes to the rescue with a clever plan to keep her and the other Sky Moos warm.