Under the Dome inhabitants devise a plan to get the egg back.
Sam surprises Melanie.
Jim prays for Pauline to come back.
"Trade the egg for your freedom."
A new threat from the Dome puts the residents of Chester's Mill at risk of being crushed to death. Meanwhile, Melanie's health continues to deteriorate as the fate of the egg remains unknown.
Barbie is apprehended by a group of mysterious men who interrogate him about his connection to the Dome. Meanwhile, Big Jim makes a deal that could determine the fate of the Chester's Mill residents forever.
A vehicle loses control on ice.
Young captives trapped inside the dome attempt to make something happen, and they do.
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.
A potential exit from the Dome is revealed just as the walls begin closing in on those trapped in Chester's Mill.
When a new threat from the Dome intensifies, the residents of Chester's Mill find themselves at risk of being crushed to death.
When temperatures begin to plunge, Sam and Rebecca spring into action to try to save the residents of Chester's Mill.
Big Jim finally learns the shocking truth about what really happened to his wife, Pauline, when they are reunited.
When Barbie is apprehended by a group of mysterious men, he is relentlessly interrogated about his connection to the Dome.
When Barbie enlists his father's help to reach out to Julia, he realizes that Don may know more about the Dome than he is letting on. Brett Cullen guest stars.
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.
When Barbie and Sam set out to investigate a mysterious tunnel, a cave-in severs their path back to Chester's Mill.
Julia takes over as the leader of Chester's Mill after the town becomes divided in the wake of Big Jim and Rebecca's plans for population control.
As conditions in Chester's Mill worsen, Big Jim and Rebecca consider resorting to the extreme measure of population control, which drives a wedge between Barbie and Julia. Dwight Yoakam guest stars.
When tensions in Chester's Mill continue to rise as resources dwindle, Big Jim holds a census in order to forecast how long the town can continue to exist under the dire conditions. Dwight Yoakam guest stars.
Barbie risks his life to help Rebecca save the Chester's Mill food supply when she discovers an infestation of butterfly eggs on the town's crops.
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