"Stowaway" is the 17th episode of the third season of the American science fiction drama television series Fringe, and the 60th episode overall. It followed the Fringe team's investigation into a woman, Dana Gray (Paula Malcomson), who repeatedly but unsuccessfully tries to commit suicide. Meanwhile, Olivia continues to serve as the host for William Bell, to the dismay of most of her other team members. The episode's story was written by Akiva Goldsman, Jeff Pinkner, and J. H. Wyman, while Danielle Dispaltro contributed its teleplay. Charles Beeson served as the director. Along with Malcomson, "Stowaway" featured a guest appearance by previous Fringe actor Seth Gabel. Though Leonard Nimoy had recently retired, the writers still had storylines involving his character, leading to their decision to have Bell possess Olivia's body. "Stowaway" first aired in the United States on March 18, 2011 to an estimated 3.8 million viewers and a 1.3 ratings share for adults aged between 18 and 49. This was the series' lowest ratings share for adults up to that point. Reviews of the episode were generally positive, as multiple critics praised Anna Torv's Nimoy impression as well as Joshua Jackson's reaction to it. Plot Following from "Os", Olivia's (Anna Torv) body has been possessed by William Bell. Though he promises that no harm will come to Olivia while he seeks a suitable host for his mind, Broyles (Lance Reddick) demands that Bell leave Olivia in 48 hours. Bell begins searching local hospitals for a host. They are alerted to eyewitness accounts of a woman who, after jumping with another man from a high roof and crashing onto a taxi parked below, simply walked away. As the Fringe team investigates, they are approached by another FBI agent, Lincoln Lee (Seth Gabel), who identifies the woman as Dana Gray (Paula Malcomson). Dana, who had been struck by lightning twice, was killed eighteen months earlier along with her family during a robbery of their home, but she apparently was able to walk away from the morgue. Since then, she has appeared to commit suicide with several others, but always managing to walk away. Walter (John Noble) and Bell, in studying Dana's blood samples, find that her body may have been altered by several past lightning strikes, making her incapable of dying. Peter (Joshua Jackson) and Lincoln find that Dana worked as a suicide hotline operator, and in investigating her belongings, find that