Improv Everywhere, eh? Those rascals. Using groups of identical twins, they crafted an improvised, spur-of-the-moment time travel story aboard a New York subway car. It’s utterly phenomenal, and you should watch it in the player below.
Of course, this isn’t Improv Everywhere’s first time dabbling with time travel or, indeed, the New York subway. Three years ago they performed a Back to the Future skit in Manhattan, and a couple of years prior to that they had Jar Jar Binks attacked on the subway.