Graham spends the day with the most decorated professional surfer ever, Kelly Slater. Slater, now 47, discusses the challenges facing the debut of surfing in the Tokyo Olympics, and how wave technology could have helped. Slater details the growth of his sustainable clothing brand, and the development of his business. Graham also talks to Slater's long-time girlfriend, Kalani Miller, about the couple's future. And then, Slater and Graham get in the water at Slater's Surf Ranch to get first hand experience with artificial wave technology.