Serpent's Tooth
S02E02 - Airdate: 2011-01-11
Runtime: 60 min
Anna and Diana square off in the dark bowels of the Mothership - Diana has been down there for 15 years and not had a single glimpse of Anna. Meanwhile, Erica has Tyler's blood analyzed, and learns the V's did something sinister to her when she was pregnant with him.
Episode details and rating from TVmaze.