John Oliver outlines what, exactly is problematic about Dr. Oz and the nutrition supplement industry. Then he invites George R.R. Martin, Steve Buscemi, the Black and Gold Marching Elite, and some fake real housewives on the show to illustrate how to pander to an audience without hurting anyone. Connect with Last Week Tonight online... Subscribe to the Last Week Tonight YouTube channel for more almost news as it almost happens: null Find Last Week Tonight on Facebook like your mom would: http://Facebook.com/LastWeekTonight Follow us on Twitter for news about jokes and jokes about news: http://Twitter.com/LastWeekTonight Visit our official site for all that other stuff at once: http://www.hbo.com/last-week-tonight-with-john-oliver