We've got your first look at a clip and the series trailer from the upcoming premiere episode of The Terminator TV series spin-off, The Sarah Connor Chronicles, starring Lena Headey. Click below to watch!

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The Sarah Connor Chronicles (Sundays, 9:00-10:00 PM ET/PT): Executive producers Josh Friedman (War of the Worlds), David Nutter (Supernatural, Smallville) and C-2 Pictures (Terminator 3: Rise of the Machines) bring to television an intense new drama based on the celebrated heroine of the The Terminator movies: Sarah Connor. At the end of Terminator 2: Judgement Day, Sarah vanquished the liquid metal Terminator sent from the future to kill her teenage son, John. Sarah and John now 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. The Sarah Connor Chronicles reveals what happens when SARAH (Lena Headey, The Brothers Grimm, 300) stops running and goes on the offensive against an ever-evolving technological enemy bent on destroying her life, and perhaps the world. Her son, 15-year-old JOHN CONNOR (Thomas Dekker, Heroes), knows that he may be the future savior of mankind, but is not yet ready to take on the mantle of leadership that he's told is his destiny. John finds himself inextricably drawn to CAMERON (Summer Glau, Serenity, The Unit), an enigmatic and otherworldly student at his high school, who soon proves to be much more than his confidante - she assumes the role of Sarah and John's fearless protector. On their trail are not only threats from the future, but an intelligent and tough FBI agent, JAMES ELLISON (Richard T. Jones, Judging Amy), who soon becomes a powerful ally.

Dont't forget to also check out: Terminator: The Sarah Connor Chronicles