A trip to California wouldn't be complete without a visit to the famous vineyards of Sonoma County; James Martin continues his American Adventure with a drive on his much-loved Harley Davidson to visit a unique winery and farm and a farm and restaurant run by a passionate husband and wife team where he is totally overwhelmed by the culinary offerings. James's adventure isn't just about food, however; he also visits a Tibetan artist undertaking a breathtaking five-year-long ceremonial painting.

James Martin continues his American Adventure with a high-octane pit stop at the world-famous Sonoma Raceway. Nestled in amongst Sonoma's vineyards, James finds out about preparations for an IndyCar season finale and gets driven around the track by Mario Andretti, one of the undoubted kings of American motorsport. James cooks trackside before visiting a new foodie Sonoma hotspot simply called Shed; after a wholesome lunch, James gets invited to Mario's nearby vineyard for wine and a chinwag.

James Martin enters the 'City of Dreams' in style while driving a vintage Porsche on his way to some of the standout foodie highlights of the series. After a visit to an incredible food market in Santa Monica, James heads to the beach to cook up a storm. He also meets a pensioner who happens to be a fitness coach, drops in on old friend and chef-to-the-stars Wolfgang Puck at his Beverly Hills restaurant CUT and the best steak in town, and finishes his visit with a bite of his favourite pizza.