Episode 1

After months of preparation and seclusion, The Professor and his band of eight recruited robbers begin to attack the National Coinage and Stamp Factory of Spain. Everything goes according to plan, until the police shows up and shots are fired. Hostage negotiator inspector Raquel Murillo makes initial contact with The Professor, and it turns out that one of the hostages, Alison Parker, is a crucial part of the thieves' plan.

Saint Nick

A hit man must partner with an imaginary blue winged horse to rescue a missing child.

Endings and Beginnings

On the day of the apocalypse, Clausen executes a search warrant at the power plant as Jonas and Claudia use the time machine to connect past and future.

The White Devil

Martha meets the Stranger and learns his true identity. Claudia tries to prevent Egon's death in 1987. Hannah travels to 1954 to see Ulrich.

An Endless Cycle

Armed with a plan to prevent the apocalypse, Jonas travels to 2019. During the Nielsens' anniversary party, Ulrich sneaks off with Hannah.

Lost and Found

In 1987, Ulrich seizes an opportunity. The kids return to the cave with the time machine, and Jonas learns of a loophole that could change the future.

The Travelers

Jonas meets an ominous figure. While the kids comb the cave for answers, the adults gather in the bunker to share what they know about the travelers.