https://youtu.be/d6RdHa-ujUc THE GUARDIAN DEBUTS IN NATIONAL CITY – The Guardian debuts to lend a hand after a parasite alien drains Supergirl (Melissa Benoist) of her power. Mon-El (Chris Wood) considers a less than desirable new career which then leads him to contemplate his motives. Alex (Chyler Leigh) struggles with a new reality. Andrew Kreisberg and