Dimensions are pockets within a universe. So unless it explicitly says they can travel to different universes, they're still limited to the single universe.
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Whoops! I meant to say Universes. The Doctor even explicitly says "Back in the glory days of the Time Lords, races could travel between universes."
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Edited by SwaguSenpai x4: 3/2/2015 6:02:34 AMAh. Alright. Were they able to manipulate those universes as well?
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Well that I don't know, Time Lords were basically the rulers of the multiverse, of a TARDIS self-destructed, it could blow up said multiverse.
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