Oz and James's Big Wine Adventure is a unique sociological TV experiment. Featuring Oz Clarke - renowned wine authority, Francophile and former Wine Tasting Champion of the World - as he attempts to reveal the wonder of the world's most complex viniculture to James May - a beer drinker who admires the Renault 4 but can identify a wine only as being 'nice' or 'nasty'. The results are often ugly and embarrassing for Britain. This is what happens when two grown men spend a month together in a car arguing about who's going to drive and whether or not it is acceptable to eat with your fingers in the Chateau of a French aristocrat. French wine, for many people, is a subject shrouded in mystery and confusion and following Oz and James's Big Wine Adventure, it remains so. Can you make your own wine in a bucket? Should you spit or swallow? And where does this tent pole go?

In series 2 we rejoin the pair in California as they take a month-long trip around the revered Californian wineries.

They begin in Santa Barbara county - home of Pinot Noir where Oz is a local hero and inspiration to winemakers. Travelling on they meet wine 'renegades', an eccentric millionaire, bicker when James crashes the Monaco Recreational Vehicle and argue over the quality of wine - from the Inaccessible and over-priced to 'two-buck-Chuck' who knocks out bottles for only two dollars.

Finally they arrive at the glamorous Napa Valley, where they are dismayed to discover that they're staying in the car park. The pair argue about who will empty the RV's waste tank, then sample Californian sparkling wine at the Taittinger estate. Next, the Schramsberg estate, where they have a heated debate about what bubbles taste like!