The way that i interpret the show, the Beth timeline is the one that really happened, with the Liz one being the What if? scenario. This interpretation is because at the opening of the show, Elizabeth is talking on the phone, saying something about "i remember when you came back from your third tour...what if i hadn't been in the park that day?" and then they flash back to the alternative timelines. The story in which Josh comes back from a third tour is the Beth timeline.
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Updated On: 2/6/18 at 05:01 PM