فصل 0 زیر گنبد در تاریخ ژوئن 23, 2014 برای بار اول پخش شد.

فصل 1 زیر گنبد در تاریخ ژوئن 24, 2013 برای بار اول پخش شد.

An invisible and mysterious force field descends upon a small fictional town in the United States, trapping residents inside, cut off from the rest of civilization. The trapped townsfolk must discover the secrets and purpose of the "dome" and its origins, while coming to learn more than they ever knew about each other.

فصل 2 زیر گنبد در تاریخ ژوئن 30, 2014 برای بار اول پخش شد.

An invisible and mysterious force field descends upon a small fictional town in the United States, trapping residents inside, cut off from the rest of civilization. The trapped townsfolk must discover the secrets and purpose of the "dome" and its origins, while coming to learn more than they ever knew about each other.

فصل 3 زیر گنبد در تاریخ ژوئن 25, 2015 برای بار اول پخش شد.

The residents of Chester's Mill appear both inside and outside the Dome following their mysterious encounter in the tunnels beneath the town. As the Dome begins to reveal its ultimate agenda, the townspeople are forced to question what and whom they can trust as fresh threats appear, new residents emerge and surprising alliances form.