Supergirl (2015)

S1E4 Livewire

Title: Livewire Plot: As Thanksgiving approaches, Kara worries her celebration might be overshadowed by her foster mother, Dr. Danvers, who is visiting and disapproves of her superhero identity. Meanwhile, a mishap causes a troubled CatCo worker to become the dangerous Livewire, setting her sights on both Supergirl and Cat.