Tim's opening experiment takes us trackside for a new way of re-creating the familiar trick of pulling a tablecloth away without disturbing the table settings. But the table will be set for a banquet of 24, and the cloth will be attached to a quarter of a mile of cord pulled by a stock car travelling at 115 miles per hour. Then, he attempts to rescue a tub of melted ice cream using a microwave and some flour, and demonstrates the reaction of a marshmallow placed inside a small vacuum chamber.