1x81 - Bananas in Pyjamas

The Bananas are excited because the Teddies are coming round to read them a story about fairies. But what are those strange sounds in the house, and why are the pictures moving, the lights flickering and the windows slamming shut? When Rat and the Teddies arrive, Rat claims to know the cause of all these strange goings-on. It must be fairies!