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tv - Red Dwarf: time and space travel paradoxes in "Tikka to Ride"?



The Red Dwarf episode Tikka to Ride has confused me more than any previous episode:



  1. How was it possible for the crew to use the Time Drive to travel back to 1960's Earth, when in the previous episode, Out of Time, made it clear that they couldn't use it to travel through space (they'd need a Space Drive for that)? In the latter, use of the Time Drive merely left them in "pre-Renaissance deep space"!

  2. How was it possible for JFK to kill his past self - would time not have simply reset to just before the Dwarfers met him, in the same way that it reset to just before the Dwarfers were killed by their own future selves? (As Lister tried to explain at the beginning of the episode.)




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