"Things Which Have Never Yet Been Done" is the ninth episode of the second season, and the nineteenth episode overall, of the Canadian science fiction television series Orphan Black. It first aired in Canada and the United States on 14 June 2014. The episode was written by Alex Levine and directed by TJ Scott.The series focuses on a number of identical human clones, all of whom are played by Tatiana Maslany: Sarah Manning, Alison Hendrix, Cosima Niehaus, Rachel Duncan, and Helena.