After discovering two paper crowns, Pepi Nana and Little Nana decide to be the Big Princess and the Little Princess. In Storyland the Little Princess goes to visit the Big Princess in her Big Castle, where she enjoys the biggest tea she has ever had.

Moon Baby, Pepi Nana and their friends discover a toy roundabout left in the Toy House. Moon Baby uses his story magic, and the roundabout transports everybody to an adventure in Storyland, where Mr Onion rescues Dibillo's balloon from a tree.

In the Toy House kitchen, Mr Onion and Pepi Nana find the little toy tub. Little Nana wishes that the little toy tub was a great big tub. In Storyland, everybody enjoys a Rub-a-dub-dub song with the great big tub.