Original air date: 11/16/2015 Runtime: 43:30 min. Kara’s Thanksgiving may be ruined when she suspects her foster mother, Dr. Eliza Danvers (special guest star HELEN SLATER), who is coming to town, disapproves of her new role as a super hero. Also, when an accident transforms a volatile CatCo employee into the villainous Livewire, she targets Cat Grant and Supergirl. BRIT MORGAN guest stars as Leslie Willis/Livewire.
Original air date: 03/21/2016 Runtime: 43:44 min. J’onn J’onzz reveals the details of meeting Kara and Alex’s father, Dr. Jeremiah Danvers, and assuming Hank Henshaw’s identity. Also, Kara debates trusting someone new with her secret identity, while Siobhan (guest star ITALIA RICCI) plots against Kara.
Original air date: 03/28/2016 Runtime: 43:37 min. Supergirl gains a new ally when the lightning-fast super hero The Flash (guest star GRANT GUSTIN) suddenly crosses over from an alternate universe and offers to help Kara battle Silver Banshee (aka Siobhan) and Livewire in exchange for her help in finding a way to return him home.