more pain. She then kisses him passionately. Dr. Cottle later reveals Caprica Six is pregnant. It is revealed Tigh is the father of the baby. After it is revealed, Tigh is one of the Final Five, Caprica Six's relationship with Tigh changes. The significance of her pregnancy increases as the child will not be a human-Cylon hybrid but will be a pure Cylon offspring. Caprica Six begins to live with Tigh in his quarters on Galactica and the two now share a very intimate and caring relationship. However, when Ellen Tigh returns, she, Tigh and Caprica Six fight about whom Tigh really loves, and Caprica Six loses the baby. She joins the rescue mission for Hera and is finally proud of Baltar, something she had always wanted, and feels was the one thing missing between the two of them. They both see Head Six and Head Baltar and are shocked the other sees them. The two defend Galactica against Cylon boarders and take Hera when they find her wandering alone. Caprica Six holds a gun on Cavil during the standoff over Hera and hands him the phone when the deal is made. Later, on Earth, she and Baltar are visited one last time by Head Six and Head Baltar, who explain their destiny was to protect Hera and while God's plan is never over, their lives will be much less eventful. Caprica Six and Baltar then go off to start new lives as farmers together. Ronald D. Moore has stated that Baltar never bothered to learn her name. In the season finale, there's a flashback scene on Caprica in which Gaius tells her "he has forgotten her name." The non-canon novelization of the miniseries by Jeffrey A. Carver suggests Caprica Six went by the name Natasi. Head/Inner/Messenger Six A distinct copy derived from Caprica Six residing in Baltar's head since the destruction of the colonies, "Head Six" appears as a figment of his imagination, invisible to everyone else. She suggests this phenomenon might be caused by either a computer chip implant or insanity over his guilt. When Baltar undergoes an MRI-like "brain scan", it reveals no sign of a computer chip or any other foreign object in his brain. While this briefly leads Baltar to think he has truly gone insane, he concludes this is impossible, given Six's knowledge of events unknown to him (for example, the prediction of the