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A judicial inquiry, or simply an inquiry, was a review of a Time Lord's actions, headed by an inquisitor. (TV: The Mysterious Planet, AUDIO: The Inquiry)

The High Council appointed a judicial inquiry into the Sixth Doctor's behaviour (TV: The Mysterious Planet) to cover up their own actions concerning "Ravolox". (TV: The Ultimate Foe) The inquiry was presided over by Inquisitor Darkel (TV: The Mysterious Planet) and half of the High Council sat as jurors. (PROSE: The Eight Doctors)

Darkel was later invited by Coordinator Narvin to lead a judicial inquiry into President Romana's actions on Gryben. (AUDIO: Weapon of Choice) She found that there was not the evidence to impeach her. (AUDIO: The Inquiry)

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