Matthew and James have to find Portugal's link to Scandinavia and head to Aveiro where they cook salt cod. In New York Matthew Rhys and Joe Fattorini enjoy an Irish Stew at Molly Shibeen on the lower east side of Manhattan. Amelia Singer joins Joe ... (more)to find out who really invented Champagne. Dominic West joins James to taste wines at the beautiful HQ in the Douro Valley.