Jonas returns to 2020 to save everyone. Things go terribly wrong. Or, do they?
Jonas learns more about the Apocalypse from Adam.
Jonas wakes up in 1921. In 2020, Charlotte and Hannah piece together what they know.
Old Helge tries to stop himself, 33 years ago. Noah enacts more of his plan. Jonas discovers one more terrifying truth.
Ulrich finds himself in a predicament with police. Hannah has other secrets from '86.