When the Bananas in Pyjamas, their friends the Teddies and Rat in a Hat decide to play ‘pretends’ it means an extra special day of music, laughter and imagination. When the Teddies decide to give the Bananas a surprise party, they enlist the help of Rat in a Hat. But B1 and B2 also decide to throw each other a surprise party with the help of Rat in a Hat! Rat sneakily manages to delegate all the organising to the others, but in the end, after some last minute dramas, they all manage to come together to celebrate the Bananas birthdays after all.