#56: Box Set - The Trial Of A Time Lord
iv) Parts 13 - 14: The Ultimate Foe
NOTE - In the same way that the 'Key To Time' box set took all the stories from a single series and released them in a single set, all four stories from the 23rd series, collectively known as 'The Trial Of A Time Lord', were released in a single box set
Release date - September 2008
Box info:
"The complete fourteen-part epic from 1986 on four DVDs packed with special bonus features!" 
Back cover info:
"The Doctor is trial for his life. Plucked out of time and space by the Time Lords, he is charged with transgressing the First Law of Time. He must defend himself against the prosecution led by the sinister Valeyard...
The Doctor has tried to prove his innocence, but the Valeyard is certain of the his guilt and will stop at nothing to carry out a sentence of death. But there is a surprise witness waiting in the wings, one who knows the truth.
With the trial in disarray, the Doctor flees into the Matrix to confront his enemy, into a nightmarish world of torture and punishment. Trapped within, he will have to fight for his life against the ultimate foe..." Special features - Commentary for episode 13 with Colin Baker (The Doctor), Tony Selby (Sabalom Glitz), Chris Clough (Director)
- Commentary for episode 14 with Colin Baker (The Doctor), Tony Selby (Sabalom Glitz), Pip and Jane Baker (Writers) and Chris Clough (Director)
- Commentary for episode 13 with Eric Saward (Script Editor)
- Subtitle Information Text
- The Making of The Ultimate Foe (dur. 15.12) - cast and crew talk about the production of this story
- Deleted and Extended Scenes (dur. 4.36)
- Trails and Continuity (dur. 1.11)
- Trials and Tribulations (dur. 55.05) - Documentary looking at Colin Baker's tenure as the Doctor
- 1985 Hiatus (dur. 3.54) - a compilation of media footage reporting the 'resting' of the show in 1985
- Open Air (dur. 10.28) - Pattie Coldwell, joined by writers Pip and Jane Baker and producer John Nathan-Turner, canvasses the opinions of members of the Doctor Who Appreciation Society following the finale of 'The Trial of a Time Lord'
- Saturday Superstore (dur. 13.31) - presenters Sarah Greene and Mike Read are joined by Colin Baker to talk about Doctor Who and take questions over the telephone from viewers
- Coming Soon Trailer: Four To Doomsday (dur. 0.57)
- Photo Gallery
- Music Video: Doctor in Distress (dur. 3.44) - Music video to accompany the single put together by fans in an attempt to raise public awareness of the resting of the show