Summer toy demonstration; actor Joseph Gordon-Levitt (Inception); Laurie Anderson (CD, "Homeland") performs.

This "Buster's Cut" will literally knock your socks off and test an age-old physics theory for the first time in history.

Tonight's guests are actor Alfred Molina and comic Cathy Ladman.

Fresh is best tonight as the chefs gather crabs for the Quickfire, and then travel to a Virginia farm where its bounty will supply the ingredients for dinner.