Therefore, its known narrative elements are not a part of the Doctor Who universe. It may have been the basis for a similar story in another medium, however — and that story may indeed be a part of the DWU.
It was released in 1989 as a Target novelisation, written by Daly himself. 30 years later, in 2019, it was adapted as an audio adventure produced by Big Finish Productions, again adapted by Daly from his original scripts.
Plot background Edit
The TARDIS would have arrived on the planet. Peri would have been attacked and left for dead, while the Doctor would have temporarily fallen under the Dwarf Mordant' powers.
- This story was adapted into the novel The Ultimate Evil.
- Originally, it is one of the three stories not adapted into Big Finish's Lost Stories series from the original Season 23 as Big Finish could not reach an agreement with Wally K. Daly to produce the story. The rights were since rectified and released on 14 November 2019.