S28, E8: It's the third leg of the road trip, and Mark Hill and Margie Cooper are braving breakdowns and the brisk weather of the Yorkshire Moors in a 1980 MGB Roadster. Mark falls for the charms of the Art Deco period and -- surprisingly -- a cast iron sign for a slop water closet. Meanwhile, Margie makes a rather macabre discovery that could be a sure thing at auction.