'Legends of Tomorrow' Recap: Why is Zari Reliving the Same Hour Over and Over Again?

In this episode of Legends of Tomorrow, titled, "Here I Go Again," the Legends do a little less time traveling and a little more time looping. After arguing with Sara, Zari finds herself reliving the same hour over and over again. At the end of the hour, the Wave Rider blows up and the entire team is killed. Zari must figure out how she can stop the loop and how (and if) she can convince the team to help her.