The Time Lords are an ancient extraterrestrial race and civilization of humanoids in the British science fiction television series Doctor Who, of which the series' eponymous protagonist, the Doctor, is a member. Time Lords receive their name for their non-linear perception of time, which allows them to see everything that was, is, or could be at the same time, as shown in the 1996 movie Doctor Who. They developed a culture of custodianship and time-related technologies based on this perception which includes strictly-controlled time travel machines (known as the "TARDIS") and monitoring devices to travel through time and to prevent time from being subverted or abused – although actual action was described as rare in practice due to their traditional policy of strict non-interference and neutrality. They can act to manipulate timelines of a wide range of events and individuals, so long as they do not cross back into their own timeline.
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