Supergirl Talk Podcast #17 - S 1 Ep 16 FALLING

Supergirl inadvertently comes in contact with Red Kryptonite, which destroys her inhibitions. It turns out that Maxwell created it in hopes of stopping Non's next attack. However, it gradually turns Supergirl evil. The DEO is able to subdue her - but at the price of Hank revealing himself as the Martian Manhunter.