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Christine tries to manipulate the town, but Jim sees through this and sets out to prove that she isn't who she says she is on Under The Dome.
Barbie is leading a new life, away from Chester's Mill, but he finds himself pulled back there for a memorial and he brings along his new girlfriend, on Under The Dome.
On the season 2 finale of Under the Dome, a possible exit is revealed just as the walls close in on Chester's Mills.
The residents of Chester's Mills are at risk of being crushed while Melanie's health and the future of the egg are still in question on Under the Dome.
When the temperatures drop dangerously low, Rebecca and Sam try to save the town while Barbie risks his life for Julia on Under the Dome.
Climate change threatens Chester's Mills while Big Jim learns the shocking truth about what happened to his wife on Under the Dome.
Big Jim makes a deal that could determine the fate of Chester's Mills while Barbie is interrogated by a group of mystery men on Under the Dome.
Big Jim appoints himself sheriff of Chester's Mills while Barbie asks his father for help trying to connect with Julie on Under the Dome.
Barbie and Sam find an unfamiliar world when they have to go lower into the abyss on Under the Dome.
When Sam and Barbie enter a mysterious tunnel, a cave-in blocks their path back to Chester's Mills on Under the Dome.