Sam surprises Melanie.
Barbie enlists his father's help to reach out to Julia, but then realizes Don may not be trustworthy and may know more about the Dome than he is acknowledging. Meanwhile, Big Jim appoints himself sheriff of Chester's Mill.
Junior decides that he is going to take the egg to a place where it will be safe.
Big Jim learns the shocking truth about what really happened to his wife, Pauline, when they are reunited. Meanwhile, climate change poses a new threat to Chester's Mill.
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 second season of UNDER THE DOME premieres Monday, June 30 on CBS.
Under The Dome is the story of a small town that is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome. The town's inhabitants must deal with surviving the post-apocalyptic conditions while searching for answers to what this barrier is, where it came from and if and when it will go away.
How bad does it smell under the dome?
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