In the grand finale, our hapless legion of teenage heroes are forced to grow up quick as they face a universe-ending enemy. But not everything is as it seems. They’ve come a long way from the reality-show competition to be the next great Space Scout, but not that they’ve “made it” it doesn’t seems so great as they drop like flies.Casualties are going to be high so maybe don’t get too attached to your favorite character. Most of them aren’t going to make it back.• Series finale!