Table:
text: The Two Ronnies
DVD releases
DVD releases
DVD_Title Discs Year_ No_of_Ep_ DVD_release_Region_2 DVD_release_Region_4_
Complete Series 9 2 1981–1982 8 28 February 2011. 1 March 2012
Complete Series 10 2 1983–1984 6 9 May 2011. 5 September 2012
Complete Series 11 2 1985 5 25 July 2011. 3 April 2013
Complete Series 12 2 1985–1986 6 26 September 2011. 7 August 2013
The Christmas Specials 2 1973–1982-1984-1987 4 29 October 2007. 6 November 2008
The Complete Collection 27 1971–1987, 2010 96 24 September 2012. 2013
Two Ronnies In Australia 2 1986 6 — 28 June 2008
The Best of...Volume 1 1 1971–1984 1 Compilation 1 October 2001 4 March 2002
The Best of...Volume 2 1 1971–1985 1 Compilation 29 September 2003 17 March 2003

text: The Two Ronnies
DVD releases
DVD releases
DVD_Title Discs Year_ No_of_Ep_ DVD_release_Region_2 DVD_release_Region_4_
Complete Series 1 2 1971 8 30 April 2007 4 July 2007
Complete Series 2 2 1972 8 2 July 2007 8 May 2008
Complete Series 3 2 1973–1974 8 17 March 2008 5 March 2009
Complete Series 4 2 1975 8 19 May 2008 6 August 2009
Complete Series 5 2 1976 8 15 June 2009 4 March 2010
Complete Series 6 2 1977–1978 8 22 February 2010 5 August 2010
Complete Series 7 2 1978–1979 8 17 May 2010 3 March 2011
Complete Series 8 2 1980 8 6 September 2010 2 June 2011

Question: How many series did 8 episodes of The Two Ronnies have?