<Table> <Tr> <Th_colspan="2"> The Great British Bake Off </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Baking </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Andy Devonshire (2010--12, 2014--) Scott Tankard (2012--13) </Td> </Tr> <Tr> <Th> Presented by </Th> <Td> Mel Giedroyc Sue Perkins Sandi Toksvig Noel Fielding </Td> </Tr> <Tr> <Th> Judges </Th> <Td> Mary Berry Paul Hollywood Prue Leith </Td> </Tr> <Tr> <Th> Theme music composer </Th> <Td> Tom Howe </Td> </Tr> <Tr> <Th> Country of origin </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Original language (s) </Th> <Td> English </Td> </Tr> <Tr> <Th> No. of series </Th> <Td> 8 </Td> </Tr> <Tr> <Th> No. of episodes </Th> <Td> 74 (excluding 28 specials) </Td> </Tr> <Tr> <Th_colspan="2"> Production </Th> </Tr> <Tr> <Th> Executive producer (s) </Th> <Td> Anna Beattie (2010--) Richard McKerrow (2010) Sarah Thomson - Woolley (2016--2017) Kieran Smith (2012) </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> Samantha Beddoes (2013--2014) Amanda Westwood (2012) </Td> </Tr> <Tr> <Th> Location (s) </Th> <Td> Cotswolds, Scone Palace, Sandwich, Bakewell, Mousehole, Fulham Palace (all 2010) Valentines Mansion (2011) Harptree Court (2012--13) Welford Park (2014--) </Td> </Tr> <Tr> <Th> Running time </Th> <Td> 60 minutes </Td> </Tr> <Tr> <Th> Production company (s) </Th> <Td> Love Productions </Td> </Tr> <Tr> <Th> Distributor </Th> <Td> Channel 4 </Td> </Tr> <Tr> <Th_colspan="2"> Release </Th> </Tr> <Tr> <Th> Original network </Th> <Td> BBC Two (2010--13) BBC One (2014--16) Channel 4 (2017--) </Td> </Tr> <Tr> <Th> Picture format </Th> <Td> 16: 9 </Td> </Tr> <Tr> <Th> Audio format </Th> <Td> Stereo </Td> </Tr> <Tr> <Th> Original release </Th> <Td> 17 August 2010 (2010 - 08 - 17)--present </Td> </Tr> <Tr> <Th_colspan="2"> Chronology </Th> </Tr> <Tr> <Th> Related shows </Th> <Td> The Great British Sewing Bee Bake Off: Crème de la Crème The Great British Bake Off: An Extra Slice The Great Pottery Throw Down Junior Bake Off The Big Family Cooking Showdown </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Td_colspan="2"> Website </Td> </Tr> <Tr> <Td_colspan="2"> Production website </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Great British Bake Off </Th> </Tr>

How many series of the great british bake off