The Black Guardian
is a character in the long-running British science fiction television series Doctor Who
. He was played by Valentine Dyall
The Black Guardian is an anthropomorphic personification
of the forces of entropy
and chaos, the counterpart of the White Guardian
, a personification of order. The two Guardians balance out the forces in the universe, although the Black Guardian seems to desire to upset the balance in favour of chaos and evil while the White Guardian prefers to maintain the status quo. The Guardians both appeared in Season 16
of the programme, where all six serials of that season were linked together in the quest for the Key to Time
, an artifact of immense power that would give the wielder supreme power over all existence.
The White Guardian gave the Fourth Doctor
the task of finding the scattered six segments of the Key at the beginning of The Ribos Operation
. Once the Doctor
had assembled the Key, the Black Guardian disguised himself as the White and attempted to trick the Doctor into handing it over. The Doctor saw through the deception after the Guardian appeared indifferent to the fact that the sixth segment — Princess Astra of Atrios — had ceased her independent existence by becoming part of the Key. The Doctor then dispersed the Key, earning the Black Guardian's eternal enmity and forcing the Doctor, for a period, to attach a randomiser to his TARDIS
to avoid being tracked through time and space.
He briefly appears at the end of......