'Star Trek: Discovery' season 5 episode 4 uses time travel to remember the past 5 seasons 

 Tragically, in an attempt to make the actual plot work, we're drowned in absurd amounts of technobabble. Once you get past that, it's actually all right. 

https://cdn.mos.cms.futurecdn.net/b5abtVG5cLVw3iEYnBwz7n.jpg

https://www.space.com/star-trek-discovery-season-5-episode-4-review