On Under the Dome Season 3 Episode 12, the Dome's calcification accelerates, leaving 24 hours before everyone suffocates and Big Jim faces an explosive Hektor. Discover what happens when you watch Under The Dome online!

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When you watch Under The Dome online, you won't believe the twists in store as Christine finally realizes what she has done and sets out to right her wrongs. You won't want to miss any of the drama!

Episode Details

Jim makes a deal with Lily, while Hektor takes matters into his own hands in order to prevent the dome from coming down once and for all on Under The Dome.

Rating: 3.4 / 5.0 (43 Votes)
Under the Dome
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