Watch a sneak peek of True Blood Season 4, Episode 11: "Soul of Fire."Ghost witch Antonia expels herself from Marnie's body, but no one can see her except for Lafayette, who reveals to Sookie and Tara that he's a medium. Will Antonia invade LaLa's body now that she's switched sides?True Blood Season 4, Episode 11: "Soul of Fire" airs Sunday, Sept. 4 at 9 p.m. ET on HBO.?