Louis Theroux: Shooting Joe Exotic 9pm, BBC Two A year on from the success of Netflix’s Tiger King series, which profiled the larger-than-life zookeeper Joe Exotic, and after Ross Kemp’s take on the big-cat-owning premise for ITV, Louis Theroux is getting in on the action. Here, he revisits his meeting with Exotic in 2011, as part of his film America’s Most Dangerous Pets. Returning to Oklahoma with Exotic now in prison, Theroux pieces together the events of the past decade and meets the team trying to exonerate Exotic. Ammar Kalia 7.30pm, Sky Arts In 1990, Luciano Pavarotti, Plácido Domingo and José Carreras performed together in the ancient thermal baths of Caracalla in Rome to mark the final of the Italian World Cup – and we have been humming Nessun Dorma ever since. This documentary tells the story of how that concert took the three singers’ music worldwide.