E1 - Heads Will Roll

Aired: June 30, 2014

Barbie's life is in Big Jim's hands; the dome becomes magnetized; Julia tries to save the life of a mysterious girl who may have clues about the origin of the dome.

E2 - Infestation

Aired: July 07, 2014

When Rebecca discovers an infestation of butterfly eggs on the crops, Barbie risks his life to help her save the town's food supply.

E3 - Force Majeure

Aired: July 14, 2014

Big Jim conducts a census to see how long the town can survive on dwindling resources; acid rain threatens everyone.

E4 - Revelation

Aired: July 21, 2014

Rebecca and Big Jim consider extreme measures as the conditions worsen in Chester's Mill; clues about Melanie's connection to the dome are revealed.

E5 - Reconciliation

Aired: July 28, 2014

After Big Jim and Rebecca's plan left the town divided, Julia takes over as the leader of Chester's Mill; Norrie and Joe help Melanie find more clues.

E6 - In the Dark

Aired: August 04, 2014

A cave-in severs Barbie and Sam's path back to Chester's Mill during their investigation of a mysterious tunnel; a dust storm rages through the town, as Big Jim and Julia face off in a power struggle.

E7 - Going Home

Aired: August 11, 2014

As Barbie descends further into the mysterious tunnel in hope of finding Sam, he comes across a world filled with unanswered questions.

E8 - Awakening

Aired: August 18, 2014

Barbie turns to his father for help contacting Julia but realizes that he may not be trustworthy; Big Jim declares himself sheriff of Chester's Mill.

E9 - The Red Door

Aired: August 25, 2014

Barbie is apprehended by mysterious men and relentlessly interrogated about the Dome; Big Jim forms a deal that could permanently seal the fate of the Chester's Mill residents.

E10 - The Fall

Aired: September 01, 2014

Big Jim finally learns what happened to his wife, Pauline; Chester's Mill faces a new threat -- climate change.

E11 - Black Ice

Aired: September 08, 2014

Rebecca and Sam try to save Chester's Mill residents as temperatures plunge; Barbie puts his life at risk to help Julia after a terrible accident.

E12 - Turn

Aired: September 15, 2014

The latest threat intensifies, leaving Chester's Mill residents at risk of being crushed to death; Melanie's health declines as the egg's fate remains uncertain.

E13 - Go Now

Aired: September 22, 2014

Just as the walls start to close in on those trapped in Chester's Mill, a possible exit from the dome is revealed.