Season 2 of the short-form documentary series “Explained” is almost upon us. The show, produced by Vox Entertainment, aims to explore a wide range of global topics and take on the big “why” questions that animate our age. Each episode will pull a different subject from the zeitgeist, from politics to science to pop culture, and give the bigger picture story — featuring interviews with some of the most authoritative experts in their respective fields. Some of season 2’s topics include the billionaire boom, athleisure as fashion and the lure of cults is easy to digest, 15 minute episodes. Season 2 of “Explained” arrives on September 26th.