Under the Dome arrives to an end on Thursday with the episode 3×13 ‘The Enemy Within’, watch the trailer above and read a synopsis below!


Check out all our news, photos and more about Under the Dome by clicking here. Sadly, the show has been cancelled so this will be its last episode.

Plot summary – As the Dome in Chester’s Mill comes down, The Resistance, led by Barbie, (Mike Vogel) Julia (Rachelle Lefevre) and Big Jim (Dean Norris), makes a final attempt to protect the outside world from the infected townspeople in The Kinship, including Sam (Eddie Cahill) and Junior (Alexander Koch), and their new queen, Dawn (Kylie Bunbury), on the series finale of UNDER THE DOME. Original airdate Thursday, September 10th, 2015.