Check out Supergirl | The House Of L Promo | The CW. Supergirl is new Sundays at 8/7c on The CW, and available next day on The CW App. CW Supergirl Lowdown The Supergirl series is based on the DC character Kara Zor-El, Superman’s cousin. After 12 years of keeping her powers a secret on Earth, […]