Trivia / Supergirl (2015) S2E2 "The Last Children of Krypton"

• Actor Allusion: Alex mentions that she left behind a medical career to become a DEO agent in order to watch over Kara. Chyler Leigh, who plays Alex, previously portrayed Dr. Lexie Grey on Grey's Anatomy.
• Real Life Writes the Plot: Cat leaves her company to focus on new ventures because Calista Flockhart did not wish to move from Los Angeles to Vancouver.