Sarah and Cameron try to save a family on the list with a connection to Derek in the future; Jesse's life hangs in the balance.

Cameron's surprising, secret life is revealed; history changes when a terminator is sent back to the wrong time.

Sarah's obsession with the three dots pays off; Ellison is introduced to someone very important.

Sarah's puzzling nightmares begin to creep into her real life; Derek and Jesse look into a possible Skynet conspirator.

Riley and John's trip to Mexico has deadly consequences; Ellison and Sarah come face to face.

The Connors are on high alert after their house is robbed; while one terminator terrorizes Ellison, another gets dangerously close to John; Jesse and Derek try to become reacquainted.

Sarah, John and Cameron track down another name on their list; Derek is surprised by a woman from his past.

John and Derek infiltrate a military academy to protect an important member of the future resistance; Ellison discovers a specter from his past while on his first assignment from... Full summary

A software glitch causes Cameron to forget who she is, and she goes missing from the Connors; Catherine Weaver meets with agent Ellison to discuss his future at Zeira Corp; Ellison digs... Full summary

Sarah and Derek are put to the test after Cromartie kidnaps Charley's wife; John is in a sticky situation of his own when he finds himself caught between Cameron and Riley.