Sarah and Cameron investigate a nuclear power plant; John grows less enthusiastic about academics but flourishes socially with the help of a new friend; Catherine Weaver gets another... Full summary

Shaken by the Jeep explosion, John's 16th birthday forces him to face the reality of his destiny alone; agent Ellison confronts his faith.

Sarah and Derek attempt a business transaction with a dubious businessman; John and Cameron find themselves in a dangerous situation during a school trip; Ellison discovers a nemesis at... Full summary

John defends Cameron against an accusation by Derek; Sarah finds herself in a business transaction with a mysterious businessman; Cromartie closes in on John; Ellison discovers a... Full summary

John defends Cameron against an accusation by Derek; Sarah gets too close to a terminator.

A dossier Sarah finds from her stay at the mental hospital leads her to doomsday-convert Dr. Silverman; Ellison's discovery puts him in danger.

In and out of consciousness and fighting for his life, a stranger remembers his life in the future and his battle against the machines; Sarah tries to explain the past to Charley.

When Sarah re-evaluates the capability of Andy's computer, she worries about where it could lead; Sarah meets a stranger whose history is tied to hers; agent Ellison discovers remnants... Full summary

When Sarah, Cameron and John track down stolen cargo, they become separated, which leads John to discover that the future is less safe than he hoped; agent Ellison's murder... Full summary

Sarah calls on Miles Dyson's widow in her quest to find Skynet's creators; John and Cameron make brave attempts to fit in on their first day at the new high school.