In Dark Season 2, Episode 6, "An Endless Cycle," Jonas Kahnwald travels back to 2019 to prevent his father's suicide, only to realize his intervention is the catalyst that causes it, highlighting a key bootstrap paradox. The episode explores the day before the initial disappearance, featuring the origins of the St. Christopher medal and the escalation of key character relationships. Read a detailed recap at ShowSnob . Netflix's Dark season 2, episode 6 recap: An Endless Cycle
