Battlestar Galactica › Season 1

S1 E6: Litmus

When a new copy of Doral, a Cylon who had been previously exposed while serving as the Galactica's public-relations officer, sneaks aboard and blows himself up, killing three people, Commander Adama and President Roslin must finally make public the terrifying secret known only to a select few: Cylons now look like humans.

Air date	Nov 22, 2004
Runtime	44 minutes
TMDB rating	★ 7.5/10