"Livewire" -- Kara's (Melissa Benoist, center standing) Thanksgiving may be ruined when she suspects her foster mother, Dr. Danvers (Helen Slater, right), who is coming to town, disapproves of her new role as a superhero, on SUPERGIRL, Monday, Nov. 23 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Also pictured: Chyler Leigh (left) and Jeremy Jordan (center seated) Photo: Darren Michaels/Warner Bros. Entertainment Inc. © 2015 WBEI. All rights reserved.