Now You See It... The Incredible Illusions of Ethan Flask and Professor von Offel (Mad Science)

Introducing the series that makes science fun! Mad Science. Are you ready? People are seeing things at Einstein Elementary - and not just Ethan Flask's science class on optical illusions! PTA president Mrs. Ratner thinks she sees a man without a shadow. Lab assistants Alberta, Luis, and Prescott think they're seeing through Professor von Offel... literally! Mr. Klumpp, the custodian, sees nothing but trouble when he meets the class orangutan. And Professor von Offel sees a way to draw Mr. Flask into his own devious experiment!