S1, E3: Blue must help guess what Mailbox's favourite game is, so they can play it for his birthday. Blue also helps to put sprinkles on Mailbox's cake, and choose a present for him.


S1, E3: Blue must help guess what Mailbox's favourite game is, so they can play it for his birthday. Blue also helps to put sprinkles on Mailbox's cake, and choose a present for him.