VIDEO: Sneak Peek - 'Going Home' on Tonight's UNDER THE DOME on CBS

On tonight's episode of CBS's UNDER THE DOME titled 'Going Home, when Barbie descends into the unknown abyss in the mysterious tunnel to look for Sam, he discovers a world that is familiar but filled with unanswered questions.

The episode airs tonight, Monday, August 11 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Brett Cullen guest stars as Don Barbara, Barbie's father. Get a sneak peek below!

UNDER THE DOME, based on Stephen King's bestselling novel, tells the story of a small town that is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome.  It's been two weeks since the dome descended upon the sleepy town of Chester's Mill, whose inhabitants are still struggling to survive with resources running low as their search for answers to what the barrier is and where it came from continues.  The post-apocalyptic conditions intensify while the residents must decide who to rally behind as new faces emerge and Big Jim continues to battle for the town's trust and allegiance. With survival hanging in the balance, can the residents of Chester's Mill work together to protect their uncertain future?

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