Board Thread:Show-Related Questions and Answers/@comment-31427137-20170522141602/@comment-25926288-20170522143753

They are individual worlds with different stories within them. Sort of obvious as I doubt those worlds would have multiple Englands. One is pretty much Victorian (mid1800s), other 1920s, and 1800s France. Chances are they are entire Earths, but we can't say that.