If the name of Mark Roberts doesn’t ring a bell, his body might. He is the British man who has been interrupting events for more than 22 years, in more than 22 countries, by running naked through the proceedings: the Olympics, rugby and soccer matches, a dog show, and, most famously, Super Bowl XXXVIII, when he sneaked onto the field dressed as a ref and ended up getting tackled by players from the Patriots and Panthers. Roberts sits down with Errol Morris to, ahem, reveal his secrets and motivation - “I just want to give people something to smile about.” And he’s not done. He says he would like to be buried in a see-through coffin so that he can streak his own funeral.