Throwback Thursday is a weekly article in which we look back at our favorite TV episodes from the past. It is hard to believe that it has been a little over three and a half years since Supergirl took us back in time to Midvale to meet young Kara and Alex Danvers. The shows' season 3 episode, aptly named Midvale quickly became a fan favorite and to this day often tops the list of both fans and critics as one of the best episodes of the series. With recent season 6 episodes taking us back to that iconic time, it felt only right to go back and take another look at the episode that Supergirl f...