The Rhône Valley provides ample opportunity to learn about different grape varieties. However, the world-renowned winemaker Michel Chapoutier provides an obvious distraction for James with his classic car collection. The father and son team of Domaine Viret, Alain and Philippe Viret, extol the benefits ‘cosmoculture’, a mystical approach to grape growing involving the harnessing of the cosmic energy of the sky. Former French rugby international and winemaker, Gérard Bertrand, challenges James to blend his very own wine using a variety of grape extracts.