TV show Metropolis traveled to Tokyo, Japan to meet Masanobu Sato, the world champion of masturbation. This hilarious preview of the episode starts with Masanobu in his two-hour training while his girlfriend casually sews and cooks. She considers masturbation his hobby but Masanobu takes it very seriously, so much so that flew to San Francisco and won the prize (and world record) for the Longest Time Spent Masturbating/Male (9 hours and 58 minutes) in the 2009 Masturbate-a-thon. The entire episode is dedicated to the last taboo and answers the questions: What does the world think of masturbation? And how do they do it?