Board Thread:Supergirl discussions/@comment-27700324-20181203021338/@comment-27399439-20181204135110

Teddybearlover wrote: about the ending: Earth 90?? I thought there were 52 or 53 Earths. Harrison only talked about Earth X last crossover. Maybe he didn't want to talk about other the Earths. On the topic of Earths, why doesn't anything take place on an alien planet? Kara and Jon went to Mars. So why just have different Earths be the center of the story?