Doctor Who: Prisoners of Conciergerie

"Prisoners of Conciergerie" is the forty-second episode of series one of the British science fiction television series Doctor Who. It is the final episode of the season and the sixth and final chapter in "The Reign of Terror" storyline. The episode was directed by Henric Hirsch with a script written by Dennis Spooner. It first aired on BBC One in the United Kingdom on September 12th, 1964.