"Unlocking the Enigma: Movies That Demand a Second Viewing"
Reddit users share movies that they had to watch a second time to fully understand, including "The Big Lebowski," "The Prestige," "Donny Darko," "Fight Club," "Us," "2001: A Space Odyssey," "Training Day," "Tinker, Tailor, Soldier, Spy," "Looper," "Arrival," and "Interstellar." These films were praised for their intricate storytelling and the rewarding experience of picking up on subtle details and themes upon repeat viewings.