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.
Elenco: Elizabeth Mitchell , Morena Baccarin , Alan Tudyk , Brittney Irvin , Charles Mesure , Christopher Shyer , David Richmond-Peck , Joel Gretsch , Laura Vandervoort , Logan Huffman , Lourdes Benedicto , Mark Hildreth , Morris Chestnut , Scott Wolf .