On this week's Supergirl Radio, your hosts Teresa Jusino and Rebecca Johnson cover news items about CBS' Supergirl TV series (including Stephen Amell's speculations about a possible full-on DC TV Universe crossover!), and discuss the origins of the Supergirl character from her comics, animated, and live-action incarnations. Join in on the fun of celebrating and getting to know Kara Zor-El as Teresa and Rebecca prepare for CBS' Supergirl, starring Melissa Benoist!