Lex Luthor helped Supergirl rebound this season

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"At the beginning of the year, Supergirl felt like a show with a whole lot of enthusiasm and not a lot of tact; as it hit us over the head with metaphors about immigration and the alt-right, it taxed its own credibility," says Alex Cranz. "It also felt like things moved way too quickly—with the show rarely taking the chance to breathe and let us settle with these characters for a while. And while the pacing of Supergirl never let up, the season’s final episode was so much fun, and full of so many payoffs, that you can forgive the many missteps. And really it comes down to the Luthors. Lex Luthor orchestrated the entire season’s main crisis of aliens versus humans so he could take over the world, wipe out every last Kryptonian in the galaxy, and use all the rest of the aliens who made the mistake of immigrating to the U.S. as batteries."