The Doctor Who universe collides as the casts of Doctor Who, Torchwood, and the Sarah Jane Adventures converge. The Earth has been stolen as the Dalek's reveal their master plan. An ancient enemy of the Doctor makes his return for the first time since the program returned. Plus, The Doctor reunites with a companion he thought he would never see again. It's Doctor Who Series 4 Episode 12. The Discussing Network proudly presents Discussing Who Episode 166. Hosted by Kyle Jones, Clarence Brown, and Lee Shackleford.