Under the dome: A mysterious force field traps a small

A mysterious force field traps a small town in Maine, cutting off its residents from the outside world. Watch the trailer, see the cast, read reviews and find out the plot of this sci-fi thriller based on a novel by Stephen King. A small town is suddenly and inexplicably sealed off from the rest of the world by an enormous transparent dome . While military forces, the government and the media positioned outside of this surrounding barrier attempt to break it down, a small group of people inside attempt to figure out what the dome is, where it came from, and when (and if) it will go away. Find out where to stream Under the Dome online. Compare platforms, watch episodes, and start streaming today. Under the Dome is a sci-fi drama that follows the residents of a town trapped under a mysterious dome . Learn about the cast, plot, production, reception and more of the CBS show adapted from Stephen King's novel.