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Episode Guide

Season 1
Season 2
Season 3

Season 2

Episode Guide

Under The Dome : Under The Dome: Inside Chester's Mill'

Under The Dome: Inside Chester's Mill

S2 E0
This exclusive one-hour special looks back at the premiere season of the hit summer series, featuring highlights from last season as well as new interviews with the cast and executive producers. In addition, the special will tease what lies ahead for the residents of Chester's Mill who are still trapped under the mysterious dome with an advance sneak peek at the season two premiere.
Under The Dome : Heads Will Roll'

Heads Will Roll

S2 E1
Barbie's fate lies in Big Jim's hands, and the Dome presents a new threat when it becomes magnetized. Meanwhile, Julia seeks out the help of a stranger to save the life of a mysterious girl who may hold clues to origin of the Dome.
Under The Dome : Infestation'

Infestation

S2 E2
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.
Under The Dome : Force Majeure'

Force Majeure

S2 E3
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. Meanwhile, a rainstorm brings much-needed water until it changes to acid rain, threatening the lives of everyone it touches. Also, Rebecca and Lyle (Dwight Yoakam) butt heads over the reasons for the dome's existence.
Under The Dome : Revelation'

Revelation

S2 E4
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. Meanwhile, clues to Melanie's past and her connection to the Dome are revealed. Dwight Yoakam guest stars.
Under The Dome : Reconciliation'

Reconciliation

S2 E5
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. Meanwhile, Joe and Norrie help Melanie search for more clues about her identity at the Dome wall.
Under The Dome : In The Dark'

In The Dark

S2 E6
When Barbie and Sam set out to investigate a mysterious tunnel, a cave-in severs their path back to Chester's Mill. Meanwhile, Julia and Big Jim face off in a struggle for power as a dust storm rages in the town.
Under The Dome : Going Home'

Going Home

S2 E7
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. Brett Cullen guest stars.
Under The Dome : Awakening'

Awakening

S2 E8
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. Meanwhile, Big Jim appoints himself sheriff of Chester's Mill. Brett Cullen guest stars.
Under The Dome : The Red Door'

The Red Door

S2 E9
When Barbie is apprehended by a group of mysterious men, he is relentlessly interrogated about his connection to the Dome. Meanwhile, Big Jim makes a deal that could seal the fate of the residents of Chester's Mill forever.
Under The Dome : The Fall'

The Fall

S2 E10
Big Jim finally 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.
Under The Dome : Black Ice'

Black Ice

S2 E11
When temperatures begin to plunge, Sam and Rebecca spring into action to try to save the residents of Chester's Mill. Meanwhile, Barbie risks his own life in order to save Julia after a terrible accident.
Under The Dome : Turn'

Turn

S2 E12
When a new threat from the Dome intensifies, the residents of Chester's Mill find themselves at risk of being crushed to death. Meanwhile, Melanie's health continues to deteriorate as the fate of the egg remains unknown.
Under The Dome : Go Now'

Go Now

S2 E13
A potential exit from the Dome is revealed just as the walls begin closing in on those trapped in Chester's Mill.