"Bloodline" is the eighteenth episode of the third season of the American science fiction drama television series Fringe, and the 61st episode overall. The storyline follows the pregnant Olivia Dunham of the parallel universe ("Fauxlivia") as she experiences a kidnapping and acceleration of her pregnancy; meanwhile, her fellow Fringe agents Lincoln Lee and Charlie Francis attempt to locate her. The episode's script was written by co-executive producers Alison Schapker and Monica Owusu-Breen, while Dennis Smith directed. "Bloodline" featured the return of guest actors Seth Gabel, Kirk Acevedo, Ryan McDonald, Andre Royo, and Amy Madigan. The Fox network released a "movie-style trailer" in the days leading up to the episode's broadcast as a special promotion. It first aired in the United States on March 25, 2011, to an estimated 3.9 million viewers. Broadcasting in the wake of a fourth season renewal, the episode's 1.5/5 ratings share was a fifteen percent increase from the previous week. "Bloodline" received mixed to positive reviews from critics, with several commentators characterizing the kidnapping mystery as predictable while also praising the depth of the parallel universe and its characters. Lead actress Anna Torv submitted the episode for consideration at the 63rd Primetime Emmy Awards, but failed to receive a nomination. Plot In the parallel universe, Fauxlivia (Anna Torv) is returned home by her mother Marilyn (Amy Madigan) after undergoing a pre-natal test to see if she has viral propagated eclampsia, a virus that killed her sister and sister's baby during childbirth. She believes she is being followed, and contacts Lincoln Lee (Seth Gabel) at the Fringe division, who sends over a security detail. By the time they arrive, Fauxlivia has been kidnapped; though they try to follow a secret tracker each agent carries, her abductors have extracted it to throw Fringe off their tracks. Walternate (John Noble) and Lincoln believe the abduction to be an inside job due to this. Astrid Farnsworth (Jasika Nicole) identifies a vehicle that has passed by Fauxlivia's home at a high frequency, that being the taxi that belongs to Henry (Andre Royo). Lincoln and Charlie (Kirk Acevedo) track down Henry, who explains he has been keeping an eye on Fauxlivia, surprised to have seen her return and seeming like a different person than his previous encounters with her; Henry is unaware that he had actually helped the prime universe's Olivia to escape ("Olivia" and "The Abducted"). Lincoln, suspicious of these events,