They might sound like yet another fun thing for young people to have done back in the day, but no. They were even deadly, with reports of at least two dancers dying near the dance floor as others simply passed out. “Dance marathons, also called walkathons to avoid legal and moral scrutiny, were essentially the Netflix dating show of that era. As an emcee entertained the audience with dancers’ biographies over live music, the couples danced, stumbled and dragged each other for weeks on almost no sleep in the pursuit of money and glory.” – San Francisco Chronicle