Supergirl 3x04 Promo/Preview "The Faithful" Supergirl Season 3 Episode 4 Promo Supergirl 3x04 Promo "The Faithful" (HD) » Watch Supergirl Mondays at 8:00pm/7c on The CW » Starring: Melissa Benoist, Chyler Leigh, Mechad Brooks, David Harewood Supergirl 3. sezon 4. bölüm fragmanı