Captain Jack Harkness is a character from Doctor Who and the Torchwood series who is immortal and can't die. This happens in S1 of Doctor Who when he is exterminated by Daleks and bought back by Rose Tyler (Bad Wolf) The 9th doctor leaves Jack with the dalek dust. In S3 of Doctor who after S1 of his own spinoff Torchwood, The Doctor meet again in the Masters first appearance in NuWho. In the final episode of S3 Jack says that people called him the Face Of Boe. Another character the 9th/10th doctor knew. Martha and the doctor are seen laughing as Harkness goes off to be with the torchwood crew. But is he actually The Face Of Boe? Originally In the 11th Doctor episode in S6 a good man goes to war. His head was meant to be chopped off but it never happened.