Season 2, Episode 4 Unholy Alliance
First Aired: February 1, 2011
Erica tracks a former Mossad agent who leads the violent faction of the Fifth Column; Jack and priests from across the world speak out against the Visitors; Anna visits the Vatican to try to win over religious leaders.
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- Premiered: November 3, 2009
- Rating: TV-14
- Premise: Alien visitors, who look like humans, arrive on Earth with questionable motives in this reimagining of the 1980s sci-fi series. (more)