James builds a one-ton pizza oven from scratch; Rory tries to convince experts that he is a wine connoisseur.
James creates a neighborhood watch team comprised of cats; James visits a Welsh coal mine and makes a bar of soap.
James tries to feed thousands of people at a diamond jubilee celebration using ballistics and pastries.
James and Sim deal with junk mail; a device that helps avoid spilling pints.
James attempts a secret, risky stunt involving an ailing seaside town and a large monster.