故事发生在一个名为切斯特磨坊的小镇上，一个从天而降且不可摧毁的“穹顶”断绝了小镇和外界的一切联系，同时也终结了小镇维持多年的平静假象。很快，小镇居民们便看清了他们如今已成“瓮中之鳖”的现实，而随着资源的不断消耗，混乱不可避免的发生了。在老警长意外去世后，维持小镇治安的重 担落到了年轻的副警长琳达肩上，而议员大吉姆则从中看到了成为“统治者”的大好机会。一些奇怪的症状出现在了磨坊镇的四个孩子们的身上，在树林里，他们发现了一个小型的穹顶并且成为了它的保护者，因为穹顶似乎在向他们传达某一些讯息。当犯罪和危险的气息在小镇上渐渐弥漫开来之时，越来越多的迹象显示，穹顶选择磨坊镇，这并不是一个巧合。
穹顶之下 (季节 3)
Move On 6.0
播出日期: 2015-06-25
运行时间: 40 min
概述: A year after the dome disappears, Barbie, Joe, and the other townspeople gather for a memorial. A year earlier, Julia and Junior try to rescue Barbie and the others, but run afoul of Big Jim.
But I'm Not 6.5
播出日期: 2015-06-25
运行时间: 43 min
概述: Barbie investigates Ben's claim that something strange is going on in Chester's Mill, but Eva surprises him with unexpected news. Meanwhile, Norrie and Hunter grow closer, and Christine advises Joe to move on.
Redux 6.5
播出日期: 2015-07-02
运行时间: 43 min
概述: The residents of Chester’s Mill try to move on with their lives in the aftermath of their mysterious experience in the tunnels beneath town. Meanwhile, Big Jim suspects new residents Christine and Eva are keeping secrets concerning the Dome.
The Kinship 6.1
播出日期: 2015-07-09
运行时间: 43 min
概述: 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. Also, Julia and Big Jim make shocking discoveries that reveal a new threat within the Dome.
Alaska 6.4
播出日期: 2015-07-16
运行时间: 43 min
概述: Big Jim and Julia form a tentative alliance to search for proof that will discredit Christine, which leads them to new information about the Dome’s capabilities. Meanwhile, when tensions run high in town and threaten Christine’s leadership, she puts a plan in play that has deadly consequences.
Caged 6.6
播出日期: 2015-07-23
运行时间: 44 min
概述: When Big Jim is captured by Aktaion, the dangerous private corporation that’s descended on Chester’s Mill to harness the Dome’s energy capabilities, he’s forced to manipulate Christine for information about her agenda. Also, when Joe and Norrie question the town’s new rules, they find themselves in a dangerous face-off with the increasingly unstable residents.
Ejecta 6.4
播出日期: 2015-07-30
运行时间: 42 min
概述: As the world outside the Dome is rocked by a catastrophic meteor shower, unexpected alliances form inside the barrier. Eva tries to indoctrinate Barbie deeper into The Kinship and Big Jim and Julia turn to one another while isolated on Bird Island outside of town. Also, Joe is forced to accept help from Sam, the man who killed his sister.
Breaking Point 6.4
播出日期: 2015-08-06
运行时间: 43 min
概述: Big Jim, Julia, Joe, Norrie and Hunter join together to form a resistance against Christine, who is mobilizing residents to work on a massive excavation project in the caves underneath the town. Also, Hunter uses his tech skills to contact the outside world.
Plan B 6.3
播出日期: 2015-08-13
运行时间: 42 min
概述: Big Jim and Julia devise plans to end Christine’s control over the town by initiating a life-or-death plot involving Barbie and Eva, while Joe and Norrie conduct research to better understand the Dome’s ultimate agenda. Meanwhile, Hunter finds more information about the true head of Aktaion, the nefarious private corporation that wants to harness the Dome’s energy.
Legacy 6.2
播出日期: 2015-08-20
运行时间: 43 min
概述: The Resistance, the citizens not under Christine’s control, join forces with an unexpected ally: Hektor Martin, the nefarious head of Aktaion. Despite Hektor revealing more about the Dome’s origins and helping to strike back at it, Big Jim and Julia still worry he will betray them. Meanwhile, Hunter receives encrypted files that give disturbing insights into the final effect the Dome will have on the infected townspeople.
Love is a Battlefield 6.1
播出日期: 2015-08-27
运行时间: 42 min
概述: Members of The Resistance race to release their loved ones from Christine’s influence before she reaches her end game for the Dome. While Barbie risks everything in an attempt to free Eva from the Kinship, Big Jim and Julia are enlisted by Hektor, the head of Aktaion, to test a possible cure for infected townspeople. Also, Joe chooses to work with Christine after she shares some shocking information about the entity behind the Dome.
Incandescence 5.9
播出日期: 2015-09-03
运行时间: 43 min
概述: When the Dome’s calcification process accelerates, Chester’s Mill has 24 hours before the barrier’s breakdown will suffocate everyone inside. While the new deadline puts added pressure on Joe to bring the Dome down, Barbie and Julia race to save his child from The Kinship. Also, Big Jim tries to manage the increasingly volatile Hektor, who is adamant that infected townspeople never escape the Dome.
The Enemy Within 5.8
播出日期: 2015-09-10
运行时间: 43 min
概述: Series Finale: As the Dome in Chester's Mill comes down, the Resistance makes a final attempt to protect the outside world from the infected townspeople in the Kinship and their new queen.
季
集 13
集 13
集 13
集 1