Competing in the annual school science fair for first prize, Brother Bear, Sister Bear and their friend Ferdy Factual, discover winning isn't what matters most.

For the first time in years Eerie Elementary is planning a science fair, which may not be a good idea in a school which is alive and out to get the students--but when Sam and his friends find a book of experiments that contains all of Orson Eerie's notes, it may turn out to be the key they need to finally understand the mad scientist.