Henri devient un scientifique pour aider le microscope à trouver un nouveau remède pour les rots malodorants.

Henry meets a Microscope. He has discovered the cure for smelly burps but when the that cure is lost in an accident it's up to Henry to save the day. Henry becomes a Scientist and after many experiments he recreates the cure once again.

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.