Under the Dome - 1x05 Promo - Episode 5 - Video Preview - Blue on Blue

Here's the video preview of Under the Dome Episode 5: "Blue on Blue" on CBS. The new hit show of the summer!

Under the Dome 1x05 Promo 'Blue on Blue' - The residents of Chester's Mill receive unexpected visits from loved ones on the other side. Meanwhile, the town braces for a threat from outside the dome. Original Air Date: Jul 22, 2013