The Pandorica Opens
"The Big Bang" is the thirteenth and final episode of the fifth series of British science fiction television programme "Doctor Who", first broadcast on 26 June 2010 on BBC One. It is the second part of the two-part series finale; the first part, "The Pandorica Opens", aired on 19 June. The episode was written by head writer and executive producer Steven Moffat and directed by Toby Haynes.