- Episode 12: Under The Dome Season 3

As oxygen levels drop, Joe McAlister is under immense pressure to complete the device intended to bring the dome down.

Big Jim confronts the volatile Hektor Martin, who is determined to kill all infected townspeople to prevent the alien "infection" from spreading beyond the dome. Key Characters and Status Status/Action in Episode 12 Dale 'Barbie' Barbara Races with Julia to save his child from the Kinship. Julia Shumway

Killed by Big Jim during his attempt to murder Joe. Production Details Original Air Date: September 3, 2015. Director: P.J. Pesce. Under the Dome Season 3 - Episode 12

Christine transfers her life force to a new Queen—Barbie's rapidly aged daughter, Dawn . After the transfer, Christine becomes human again, only to be promptly killed by the new Queen.

Works with Barbie to retrieve the umbilical cord needed for a potential cure. Kills Hektor to save Joe and Norrie. Christine Price Deceased. Killed by Dawn after losing her alien powers. Hektor Martin As oxygen levels drop, Joe McAlister is under

In the penultimate episode of , titled " Incandescence ," the residents of Chester’s Mill face a 24-hour deadline before the dome’s accelerating calcification causes everyone inside to suffocate. Plot Summary

To preserve the remaining air for the Kinship, Christine Price orders Junior Rennie and Sam to drown the town's elderly in the lake. Julia Shumway Killed by Big Jim during his

This episode sets the stage for the series finale, " The Enemy Within ," as the dome's barrier finally begins its terminal breakdown. AI responses may include mistakes. Learn more Under the Dome recap: Incandescance - Entertainment Weekly