Henry meets the Moon. He learns all about space; astronauts. Henry becomes an Astronaut for the day, blasts off into space, meets a satellite and dodges meteors before having a lovely picnic on the Moon.

Henry is a young boy who desires to learn something new in his everyday life. In each episode, he meets a new object and his imagination comes to life as he learns more with each new encounter. Henry creates so many friendships and everyone he meets is eager to help him find the answers to every new question.