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.
Bar Kokhba was an unproduced story for Season 5, written by Roger Dixon. The idea was submitted on 16 January 1967.
Synopsis[]
In early 2nd century Palestine, the Doctor and his companions become involved with the efforts of the Jewish leader Bar Kokhba to organise an army against the Romans. (REF: DWMSE 4)