Watch a sneak peek of BIG LOVE "Under One Roof" Season 4 Episode 6 which airs on Sunday February 14 2010 on HBO.
Episode Synopsis: Ana (Branka Katic) resurfaces with a surprise revelation that shakes up the family. Bill tries to get Tommy and Jerry (Robert Beltran) to rebrand the casino and expand its advertising into Idaho. Lois and Frank take Ben (Douglas Smith) and Jodean south of the border to visit Don Dona (Mel Rodriguez), a bird vendor, at their collective peril. Margene(Ginnifer Goodwin) worries about the impact of Bill's future outing on her booming business. With a flourish, Bill shows his wives the family's collective future. Written by Coleman Herbert; directed by Dan Attias.