WARNING: <a href="/hashtag/redkryptonite?refid=13&__tn__=%2Cg"> <span > #</span><span >RedKryptonite</span></a><span> may result in...unpredicta</span><wbr /><span ></span>ble behavior. Watch an all-new <a href="/hashtag/supergirl?refid=13&__tn__=%2Cg"> <span > #</span><span >Supergirl</span></a> tomorrow at 8/7c on CBS.