Therefore, its known narrative elements are not a part of the Doctor Who universe as we, on this Wiki, choose to define it. It may have been the basis for a similar story in another medium, however — and that story may indeed be valid.
The HAVOC Files: Five was a planned anthology in Candy Jar Books' Lethbridge-Stewart series. The theme of the anthology would have been "FIVE". Production on the book was delayed due to scheduling conflicts, until Candy Jar Books' release schedule filled up and the plan was cancelled.
- Andy Frankham-Allen comment: "It's called The HAVOC Files: Five, not The HAVOC Files 5 since the fifth HAVOC Files was The Laughing Gnome anthology. This is the seventh, but the theme is FIVE."
- Andy Frankham-Allen comment: "Between now and May 2022, the LS range is fully booked and my own editing/writing schedule doesn't have a spot for it. Which is a shame, as we had some good story ideas lined up."