User blog comment:Vardion17/Supergirl is comming to The CW!/@comment-9346948-20160512213355/@comment-9346948-20160512231856

Yes, but the reason we cover Earth-2 is because it's integral to the show. The events are also revealed on The Flash, not on a separate show. Yes, we did see Barry travel to Supergirl's Earth and travel back but that's all we saw on The Flash side.