Season 1 CBBC , 2011 Season 2 CBBC , 2012 Season 3 CBBC , 2012 Season 4 CBBC , 2012 Season 5 CBBC , 2013 Season 6 CBBC , 2013 The sixth series began on Friday 20 September 2013 and was the first series to feature George Sear as a full-time presenter, replacing former presenter Danny Pearson. Season 7 CBBC , 2014 Season 8 CBBC , 2014 Season 9 CBBC , 2015
, 2011