Except when the source material was too degraded to make it possible, most episodes were remastered using the VidFIRE process to restore the original videotape look. Released: * Region 2 1 November 2004 PAL - BBC DVD BBCDVD1353 * Region 4 2 December 2004; re-released 1 July 2010 * Region 1 2 November 2004 NTSC - Warner Video E2081 (Hartnell single disc) / E2082 (Troughton 2 disc set) / E2083 (Box set) The Hartnell and Troughton discs have also been made available separately in Region 1.