Timeline of Doctor Who Big Productions

Doctor Who Monthly Releases: July 1999- (198 episodes)
Dalek Empire Series 1 June 2001, August 2001, October 2001, December 2001 (4 episodes)
Excelis Series 1 February 2002, April 2002, June 2002-July 2002 (1+1+2= 4 episodes)
Sarah Jane Smith Series 1 July 2002-November 2002 (5 episodes)
Dalek Empire Series 2 January 2003-April 2013 (4 episodes)
Gallifrey Series 1 March 2004 - May 2004 (4 episodes)
Dalek Empire Series 3 May 2004-August 2004, October 2004 (4+2=6 episodes)
UNIT Series 1 December 2004 - January 2005, March 2005, June 2005 (3+1+1=5 episodes)
Gallifrey Series 2 April 2005 - August 2005 (5 episodes)
Cyberman Series 1 September 2005-November 2005, January 2006 (3+1= 4 episodes)
Iris Wildthyme Series 1 November 2005-December 2005 (2 episodes)
Sarah Jane Smith Series 2 January 2006-April 2006 (4 episodes)
Gallifrey Series 3 May 2006 - August 2006 (5 episodes)
I, Davros Series 1 September 2006-December 2006 (4 episodes)
Dalek Empire Series 4 October 2007-January 2007 (4 episodes)
The Eighth Doctor New Adventures December 2006-February 2007 (8 episodes)
The Companion Chronicles February 2007, October 2007-January 2008, July 2008-November 2009, January 2010-June 2014, June 2015 (4+4+18+60+4 = 96 episodes)
The Eighth Doctor New Adventures January 2008-August 2008 (8 episodes)
Iris Wildthyme February 2009-May 2009, November 2009 (5+1=6 episodes)
The Eighth Doctor New Adventures March 2009-October 2009 (8 episodes)
The Lost Stories Series 1 November 2009-June 2010 (8 episodes)
The Eighth Doctor New Adventures December 2009, July 2010-March 2011 (1+9 = 10 episodes)
Cyberman Series 2 December 2009 (4 episodes)
Jago and Litefoot Series 1 June 2010 (4 episodes)
The Lost Stories Series 2 November 2010-December 2010, April 2011-July 2011 (4+4=8 episodes)
The Gracless Series 1 November 2010 (3 episodes)
Jago and Litefoot Series 2 January 2011 (4 episodes)
Gallifrey Series 4 March 2011 (4 episodes)
Jago and Litefoot Series 3 June 2011 (4 episodes)
The Lost Stories Series 3 October 2011-December 2011, September 2012, May 2012- September 2012 (3+2+5=10 episodes)
The New Fourth Doctor Adventures Series 1 January 2012-June 2012 (6 episodes)
I, Davros Series 2 January 2012 (1 episode)
The Gracless Series 2 January 2013 (3 episodes)
Vienna Series 1 February 2013, February 2014 (1+3= 4 episodes)
Jago and Litefoot Series 4 March 2012 (4 episodes)
Counter-Measures Series 1 July 2012 (4 episodes)
Iris Wildthyme Series 3 August 2012 (3 episodes)
Dark Eyes Series 1 November 2012 (4 episodes)
The New Fourth Doctor Adventures Series 2 January 2013-July 2013 (7 episodes)
Destiny of the Doctor Series 1 January 2013-November 2013 (11 episodes)
Gallifrey Series 5 February 2013 (3 episodes)
Jago and Litefoot Series 5 March 2013 (4 episodes)
The Gracless Series 3 June 2013 (3 episodes)
Counter Measures Series 2 July 2013 (4 episodes)
Iris Wildthyme Series 4 August 2013 (3 episodes)
The Lost Stories Series 4 September 2013-December 2013 (4 episodes)
Jago and Litefoot Series 6 September 2013 (4 episodes)
Gallifrey Series 6 October 2013 (3 episodes)
The New Fourth Doctor Adventures Series 3 January 2014-August 2014 (8 episodes)
Dark Eyes Series 2 February 2014 (4 episodes)
Jago and Litefoot Series 7 April 2014 (4 episodes)
Charlotte Pollard Series 1 May 2014 (4 episodes)
The New Adventures of Bernice Summerfield June 2014 (4 episodes)
Counter Measures Series 3 July 2014 (4 episodes)
The Early Adventures Series 1 September 2014-December 2014 (4 episodes)
Jago and Litefoot Series 8 October 2014 (4 episodes)
Dark Eyes Series 3 November 2014 (4 episodes)
The New Fourth Doctor Adventures Series 4 January 2015-August 2015 (8 episodes)
Vienna Series 2 February 2015 (4 episodes)
Gallifrey Series 7 March 2015 (1 episode)
Dark Eyes Series 4 March 2015 (4 episodes)
Jago and Litefoot Series 9 March 2015 (4 episodes)
The New Adventures of Bernice Summerfield June 2015 (4 episodes)
Counter Measures Series 4 July 2015 (4 episodes)
Charlotte Pollard Series 2 August 2015 (4 episodes)
The Early Adventures Series 2 September 2015-December 2015 (4 episodes)
Doom Coalition Series 1 October 2015 (4 episodes)
Jago and Litefoot Series 10 October 2015 (4 episodes)
UNIT Series 2 November 2015 (4 episodes)