Bad Wolf" is the twelfth episode of the revived first series of the British science fiction television series Doctor Who. The episode was first broadcast on BBC One on 11 June 2005. It is the first of a two-part story. The concluding episode, "The Parting of the Ways", was first broadcast on 18 June 2005. "The Parting of the Ways" is the thirteenth episode and the season finale of the revived first series of the British science fiction television programme Doctor Who. The episode was first broadcast on BBC One on 18 June 2005. It was the second episode of the two-part story. The first part, "Bad Wolf", was broadcast on 11 June