Related: Supergirl Season 5 Episode 2 Review: Stranger Beside Me And then, in the final moments of the episode, he had to watch them die all over again. Oliver's reunions with his mother and best friend were heart-clenching to say the least. : Oliver, whether right or wrong, everything I've ever done was to protect my children.And someday, when you have children, you'll understand. Moira: Oliver, whether right or wrong, everything I've ever done was to protect my children. Oliver: Mom, when we were growing up, if you had to leave me and Thea, to protect us, would you have done it? It seems obvious now, however, it is still such a smart way to not only include the looming Crisis into the story but, beloved past characters as well. To be honest, I am now hitting myself on the head for not thinking about other Earth's as a possibility.