ESPN's The Last Dance has overtaken Tiger King as the world's most popular docuseries. The Last Dance has already become ESPN's most-watched documentary of all time. It's also one of the 20 most in-demand shows in the world this week, and the 11th-ranked show in the U.S. For those in the U.S. without ESPN,The Last Dance is expected to debut on Netflix's U.S. platform this summer.