Season 3
13 episodes
46 min. per episode
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A small town confronts hidden truths and escalating tensions as an invisible barrier reveals dark secrets and tests their humanity.
Trailer
Episodes
The residents of Chester's Mill appear both inside and outside the dome following their mysterious encounter in the tunnels beneath the town.
The townspeople are forced to question who they can trust when new residents emerge.
The residents of Chester's Mill try to move on after emerging from the cocoons in the tunnels. Big Jim becomes suspicious of Christine and Eva.
Under the guise of helping Chester's Mill rebuild, Christine urges the townspeople towards specific individuals and projects that remind them of their experience in the tunnels.
When Big Jim and Julia team up to find proof to discredit Christine, they learn something new about the dome. Meanwhile, when Christine's leadership is threatened, she puts a plan into motion with deadly consequences.
An invisible and mysterious force field descends upon the small town of Chester's Mill, Maine, USA, trapping residents inside, cut off from the rest of civilization. The trapped townspeople must discover the secrets and purpose of the "dome" or "sphere" and its origins, while coming to learn more than they ever knew about each other and animals too.