The Signal

Kellen Rucker undergoes a guided memory session after a suicide attempt, triggered by the discovery of his twin brother Kevin’s tibia in Salton Sea.

In this episode, Swan, an alien observer, confronts Rosemary, a CIA agent and fellow extraterrestrial, at a secret numbers station.

The episode opens with a radio debate on alien abductions, featuring skeptical doctor Elsa Braunschweiger and believer Norman Thorne.