Plot: Man cannot survive by meat alone! In this episode the professor cooks a few of his favorite vegetarian dishes for the grill, including heart-friendly options like Tofu on Stilts and Robatataki (a mixed vegetable grill) that both come from the Japanese's rich yakitori grilling tradition. And even committed carnivores would have a hard time passing up delectably crisp Grilled Artichokes, basted with garlic-parsley butter during a long, slow roast on the grill