Supergirl actresses Laura Vandervoort, Melissa Benoist, Sasha Calle, and Helen Slater are included in a retrospective featurette on The Flash Blu-ray.
Interview with Nicole Maines about the return of Supergirl August 24 and her character Nia Nal a.k.a. "Dreamer"
Interview with Supergirl Executive Producer Sarah Schechter