Series Episodes Premiere Finale Winner Runners - up Average UK viewers ( millions ) Timeslot Channel 6 17 August 2010 21 September 2010 Edd Kimber Miranda Gore Browne 2.77 Tuesday 8 : 00 pm BBC Two Ruth Clemens 8 14 August 2011 4 October 2011 Joanne Wheatley Holly Bell 4.00 Mary - Anne Boermans 10 14 August 2012 16 October 2012 John Whaite Brendan Lynch 5.00 James Morton 10 20 August 2013 22 October 2013 Frances Quinn Kimberley Wilson 7.35 Ruby Tandoh 5 10 6 August 2014 8 October 2014 Nancy Birtwhistle Luis Troyano 10.04 Wednesday 8 : 00 pm BBC One Richard Burr 6 10 5 August 2015 7 October 2015 Nadiya Hussain Ian Cumming 12.50 Tamal Ray 7 10 24 August 2016 26 October 2016 Candice Brown Andrew Smyth 13.85 Jane Beedle 8 10 29 August 2017 31 October 2017 Tuesday 8 : 00 pm Channel 4

Question: how many episodes in great british bake off 2017
Answer: 10