Season 02, Episode 01 – “Heads Will Roll”
Season 2 begins with Big Jim deciding Barbie’s fate. Meanwhile, the Dome presents a new threat when it becomes magnetized; and Julia seeks the help of a stranger to save the life of a mysterious girl who may hold clues to the Dome’s origin.
Season 02, Episode 02 – “Infestation”
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.
Season 02, Episode 03 – “Force Majeure”
Chester’s Mill faces a rapidly declining food supply, so Big Jim takes a census 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 and threatens the lives of everyone it touches.
Season 02, Episode 04 – “Revelation”
Big Jim and Rebecca consider the extreme measure of population control in order to extend resources as conditions in Chester’s Mill worsen. Meanwhile, clues to Melanie’s past and her connection to the dome are revealed.
Season 02, Episode 05 – “Reconciliation”
Julia takes over as the new leader of Chester’s Mill, after the town becomes divided over Big Jim and Rebecca’s population-control plan. Meanwhile, Joe and Norrie help Melanie search for clues about her identity at the dome wall.
Season 02, Episode 06 – “In the Dark”
Barbie and Sam investigate a mysterious tunnel, but a cave-in severs their path back to Chester’s Mill. Meanwhile, Julia and Big Jim struggle for power as a dust storm sweeps through town.
Season 02, Episode 07 – “Going Home”
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.
Season 02, Episode 08 – “Awakening”
Barbie enlists his father’s help to reach out to Julia, but then realizes Don may not be trustworthy and may know more about the Dome than he is acknowledging. Meanwhile, Big Jim appoints himself sheriff of Chester’s Mill.