A invisible and mysterious force field descends upon a small actual town of Chester's Mill, Maine, USA, trapping residents inside, cut off from the rest of civilization. The trapped townspeople must discover the secrets and purpose of the "dome" or "sphere" and its origins, while coming to learn more than they ever knew about each other and animals too.
They are all trapped inside.
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Did You Know?
The character "Julia Shumway" - the red-headed reporter, shares her last name with an extra terrestrial sitcom character named Gordon Shumway, or more commonly referred to as "ALF." This could be an Easter Egg by Stephen King or Steven Spielberg to reference Under The Dome's alien themes. See more
James 'Big Jim' Rennie
[Opening Narration, Season 3
Four weeks ago, an invisible dome crashed down on Chester's Mill, cutting us off from the rest of the world. The dome has tested our limits, forcing each of us to confront our own personal demons... rage... grief... fear. Now, in order to survive, we must battle our most dangerous adversary... the enemy within.