In the third season of Dark, the show dives deeper into the intricacies of time travel and parallel universes, focusing on the aftermath of the apocalypse in 2020. Jonas and Martha navigate a new world, while others in the original world fight to break the time loop that now spans space as well. The season introduces new timelines in both the original and parallel world, exploring the motivations and actions of different factions, ultimately leading to a mind-bending conclusion that resolves the series' central themes.