A kaleidoscopic deep dive down the rabbit hole of “simulation theory,” A GLITCH IN THE MATRIX is the mind-bending, exhilarating and definitive introduction to a subject that, subscribe to it or not, involves us all. Directed by Rodney Ascher (Room 237, The Nightmare), the preeminent documentarian of today’s obsessional thinking, A GLITCH IN THE MATRIX introduces us to a handful of real-world testifiers who are certain that their bodies and minds are being operated by some external game-player.