An exploration into the most effective and efficient methods for washing dishes sends David on a sponge-diving expedition off the coast of Florida and on a visit to NASA's Office of Planetary Protection.
David tries to create the perfect slice of toast for comedian Paul F. Tompkins. To achieve his goal, David meets with scientists, renowned chefs and the editor of the Toaster Collectors Association Newsletter.
David explores the science of sleep when he attempts to recreate the greatest nap he's ever taken. Along the way, he uncovers the benefits of napping and learns to dispel with the shame of a mid-day nap with the help of actor-comedian John Hodgman.
David's goal of perfecting a Steve McQueen-inspired "Gentleman's Ball Bounce" sends him on a journey to meet a professional cricket player, a billiards shark, a ball enthusiast and two physics professors who reveal the scientific properties of bouncing and correct common misconceptions about gravity.