Plan B
Season 3, Episode 9
PlanB 01
Air Date August 13, 2015
Written By Tim Schlattmann & Mark Bruner
Directed By Eriq La Salle
U.S. Viewers 3.73 Million
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Plan B is the ninth episode of Season 3 of CBS' Under the Dome, which aired on August 13, 2015. It is the thirty-fifth episode overall.


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.


To Be Added


Main CastEdit

Supporting CastEdit

Guest Stars




  • Two unnamed Chester's Mill citizens.


  • First appearance of Kyle Lee.
  • First appearance of Charlotte Chastain.
  • Final appearance of Alice Bigelow.
  • The title refers to Big Jim's Plan B to take down the kinship.
  • After subduing Barbie with a syringe, Big Jim calls Julia Dexter, referring to a TV series of the same name, where main protagonist would subdue people in the same manner.
Episodes of Under the Dome
Season 1 "Pilot" • "The Fire" • "Manhunt" • "Outbreak" • "Blue on Blue" • "The Endless Thirst" • "Imperfect Circles" • "Thicker Than Water" • "The Fourth Hand" • "Let the Games Begin" • "Speak of the Devil" • "Exigent Circumstances" • "Curtains"
Season 2 "Heads Will Roll" • "Infestation" • "Force Majeure" • "Revelation" • "Reconciliation" • "In the Dark" • "Going Home" • "Awakening" • "The Red Door" • "The Fall" • "Black Ice" • "Turn" • "Go Now"
Season 3 "Move On" • "But I'm Not" • "Redux" • "The Kinship" • "Alaska" • "Caged" • "Ejecta" • "Breaking Point" • "Plan B" • "Legacy" • "Love is a Battlefield" • "Incandescence" • "The Enemy Within"