7 September (production)


 * 1999 - Recording for Dragons' Wrath took place.
 * 2005 - Rewrites of School Reunion known as a "yellow script revision" covered a scene where K9 Mark III recognises the Tenth Doctor on reactivation. (DWMSE 14)
 * 2006 - Recording for Circular Time took place at The Moat Studios.
 * 2009 - Recording for Survival of the Fittest took place at The Moat Studios.
 * 2011 - Recording for The Fourth Doctor Box Set took place at Audio Sorcery.