Good Mythical Morning Season 12 10 Best Optical Illusions of 2017 Season 12, episode 164 10 Best Optical Illusions of 2017 December 14, 2017 10 min We feast our eyes on the 10 Best Optical Illusions of 2017. Previous episode Dogs Opening Gifts | Teach Your Old Dog A New Trick Next episode Tongue of The Cobra (Music Video)