NBC has released an official spoiler description and images from the November 13 episode of Revolution.
The title of the episode is "Come Blow Your Horn" and here's how they describe it:
AARON'S DEATHLY EXPERIENCE CATCHES PEOPLE'S ATTENTION - As Miles (Billy Burke) and the gang try to escape the perils of their current situation, Rachel (Elizabeth Mitchell) and Gene (Stephen Collins) continue to struggle with their relationship, which affects Charlie (Tracy Spiridakos). Meanwhile, Neville (Giancarlo Esposito) takes a gamble with the Patriots. Also starring David Lyons, Zak Orth and Zeljko Ivanek.
Here are those images, in a gallery that includes a lot of Elizabeth Mitchell which makes us very happy: