High Quality Content by WIKIPEDIA articles! Horrible Histories is an award-winning British children's television series based on the Terry Deary book series of the same name. The first series was thirteen episodes long, and was broadcast from 16 April to 9 July 2009 on CBBC on BBC One. A second series, of twelve episodes (not counting the "Savage Songs Special"), aired from 31 May 2010 to 27 July 2010. A Christmas special was broadcast on 17 December 2010, and a third series, also of twelve episodes (again not including the "Savage Songs Special" at the end), aired from 30 May 2011 to 26 July 2011 on CBBC. A fourth series has been filmed, and according to the official Twitter accounts of its cast, will be broadcast in spring 2012. A spin-off game show entitled Gory Games has started airing, hosted by Dave Lamb, and a second spin-off show, Horrible Histories with Stephen Fry, began on 19 June 2011, looking back on the best sketches of the show during its first two seasons on BBC One on prime time Sunday nights.