UNDER THE DOME Season 2 Episode 9 Photos The Red Door : “The Red Door” – When Barbie is apprehended by a group of mysterious men, he is relentlessly interrogated about his connection to the Dome. Meanwhile, Big Jim makes a deal that could seal the fate of the residents of Chester’s Mill forever, on UNDER THE DOME, Monday, August 25 (10:00-11:00 PM, ET/PT) on the CBS Television Network.