During a press conference at the 2010 Edinburgh International Television Festival, series executive producer Steven Moffat indicated that the 13-episode 2011 production block will be split into two series which he referred to as Series 6 and 7.[1] As of September 2010 the BBC has yet to confirm whether it will consider the split season to be two separate series.
«Last script for the doctor». Scotland on Sunday. 5. april 2009. Arkivert fra originalenBruk av |arkiv_url= krever at |arkivdato= også er angitt (hjelp). Besøkt 21. april 2009. «The final two episodes will be broadcast over the Christmas period and conclude with David Tennant's regeneration into Matt Smith»Arkivert 20120617055523 hos WebCite
«Last script for the doctor». Scotland on Sunday. 5. april 2009. Arkivert fra originalenBruk av |arkiv_url= krever at |arkivdato= også er angitt (hjelp). Besøkt 21. april 2009. «The final two episodes will be broadcast over the Christmas period and conclude with David Tennant's regeneration into Matt Smith»Arkivert 20120617055523 hos WebCite