Children's stop-frame animation. Postman Pat and his cat Jess deliver post to residents of Greendale, including Mrs Goggins the postmistress, Reverend Timms, PC Arthur Selby and Dr Sylvia Gilbertson. The children are playing Spaceship, but Sarah is being bossy and storms off when the others won't listen to her ideas. Meanwhile, Jess is playing with Greendale's litter, chases some up a tree, and gets stuck. With the help of mission commander Sarah and one of Ted's inventions, Jess is rescued.