Board Thread:The Flash discussions/@comment-9346948-20160420004341/@comment-3423279-20160420032437

Cartoon44 wrote: Also, I think I just noticed a plot hole. If Barry's trip to Supergirl's earth took less than a minute, how come it took more or less than a day for Barry to return from earth-2? Not a plot hole, just a difference in the way time travels between the two universes, or Barry traveled back to just after he left.