Earth-20 is one of the many universes in the multiverse.


Earth-20 was depicted on a map shown to Barry Allen of Earth-1 by Jay Garrick of Earth-3.[1]


The Flash

Season 6

Behind the scenes

  • In the DC comics, Earth-20 is a universe that has just emerged from a large-scale war, and has only politically and technologically developed so far as that of the 1930s.


  1. "A Flash of the Lightning"
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