The title says it all: Which starship has travelled back in time the most number of times? The only restriction is it must be from canon. It can be from any society (not just Starfleet or Federation), any time period.

2 Answers 2


The Enterprise-D seems to be the winner here.

In the episode TNG: Cause and Effect the Bozeman and the Enterprise both travel back in time four times.

The Enterprise also travels backwards on several occasions (at least twice, possibly many more) in "TNG: We'll Always Have Paris" due to the Manhein Effect and twice in TNG: Timescape.

  • As I mentioned in another comment on another answer to another question, "Cause and Effect" implies more time loops than we see, making the Enterprise-D's win even greater. Apr 29, 2016 at 17:57
  • @JohnSensebe - I disagree. Based on the script, there's every indication that we saw all four loops.
    – Valorum
    Apr 29, 2016 at 18:36
  • So, what you're saying, basically, is "THERE ARE FOUR LOOPS!" But seriously, do you really think they memorized the poker game that quickly? Apr 29, 2016 at 21:06
  • The Enterprise D is stuck in the rift for 17.4 days (this is stated in the episode). While it's hard to know how long each loop is, if we assume 2 or 3 days each loop, then we're talking 6 to 9 loops in total. We only saw four of them. Remember, the episode begins with the end of a loop.
    – Tim
    Sep 27, 2017 at 0:42
  • @Tim - There are 4.3 days between each loop. A very simply calculation reveals that that works out to almost precisely 4, which fits in very nicely with what we see in the episode. First loop happens off-screen. Second loop is barely noticed, third loop is noticed and a message sent into the fourth which allows the release.
    – Valorum
    Sep 27, 2017 at 0:51

The original USS Enterprise...

According to this list of time travel episodes, the original Enterprise travels back in time 4 times:

  • Once in 'The Naked Time' (to three days earlier)
  • Twice in 'Tomorrow is Yesterday'
  • Once in 'Assignment Earth'

...and the USS Bozeman

which travelled back in time 4 times during the course of TNG 'Cause and Effect (kudos @Richard)


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