As the team investigates a mentally ill patient who seems to be connected to a series of murders, frightening clues and connections lead Olivia to a shocking conclusion.
The Atlantis team encounters a human civilization that may have developed a weapon against the Wraith.
A teacher going through a messy divorce gets arrested under suspicious circumstances.
The Sliders visit Earth before the discovery of antibiotics, and an epidemic decimates the population.
Sam and his friends seek their first escaped soul, an arsonist who has returned in the form of a firefighter; Sam considers asking his co-worker Andi on a date.