"Terminator: The Sarah Connor Chronicles" reveals what happens when Sarah Connor (series star LENA HEADEY) goes on the offensive against an ever-evolving technological enemy bent on destroying her life -- and perhaps the world. At the end of "Terminator 2: Judgment Day," Sarah vanquished the Terminator sent from the future to kill her 15-year-old son. Now Sarah and her son, John (series star THOMAS DEKKER), find themselves alone in a very dangerous, complicated world. Fugitives from the law, they are confronted with the reality that still more enemies from the future and the present could attack at any moment.As Sarah confronts reality, John knows that he may be the future savior of mankind, but he is not yet ready to take on the mantle of leadership that he's told is his destiny. He finds himself inextricably drawn to Cameron (series star SUMMER GLAU), an enigmatic and otherworldly student at his high school. Cameron soon proves to be much more than his confidante, as she assumes the role of fearless protect

Sarah finds herself in a business transaction with a mysterious business man. Ellison, who is beginning to believe that Sarah is telling the truth about the future, pays Charley (recurring guest star DEAN WINTERS) a visit. Meanwhile, Derek (recurring guest star BRIAN AUSTIN GREEN) continually flashes back to his youth, and the day the apocalypse began. Derek and John have a bonding moment, but it is cut short by a giant explosion.

Sarah makes contact with an old friend to ask a favor, while John decides to pay a visit to Sarah's ex (recurring guest star DEAN WINTERS - "Rescue Me," "Oz"), and Cameron makes a new friend. Together they infiltrate a resistance safe house and discover they are not alone. Meanwhile, Agent Ellison realizes that Sarah is still alive, and a dangerous person from Sarah s past is reawakened.

In the series premiere, again facing relentless Terminators that will stop at nothing until John, the future leader of the resistance, is eliminated, Sarah Connor stops running and starts fighting back against fate and the machines that are out for her son.

Sarah finds herself in a business transaction with a mysterious business man.

Look back to see the most action packed moments of Terminator: The Sarah Connor Chronicles!

Kristin travels to the set of "The Sarah Connor Chronicles" to interview the show's stars.

These cyborgs are tough to beat.

How long can a mother and her son run from an army of killing machines?

Ooh! Nice timing!