Supergirl Cast Plays Who Said It: Kara Danvers or Disney Princess?

Can the cast of Supergirl tell the difference between a Kara quote and a Disney Princess line? We put Melissa Benoist (Kara/Supergirl), Chyler Leigh (Alex), Katie McGrath (Lena Luthor), David Harewood (J'onn J'onzz), Jesse Rath (Brainy), Staz Nair (William), Andrea Brooks (Eve), Nicole Maines (Nia Nal), Julie Gonzalo (Andrea), Azie Tesfai (Kelly) and Elizabeth Tulloch (Lois Lane) to the test. Supergirl airs on Sundays at 9/8c on the CW. TV Guide's official YouTube channel brings you behind-the-scenes access to your favorite shows and interviews with your favorite celebs! For more news, videos and photos click HERE: http://bit.ly/1qAossx SUBSCRIBE to the TV Guide channel: http://bit.ly/11yINCm SUBSCRIBE to the TV Guide NEWS channel: https://bit.ly/2kFsDXz SUBSCRIBE to the TV Guide TRAILERS channel: https://bit.ly/2Y7VMK9 TV Guide on Facebook: http://on.fb.me/1HqOzab TV Guide on Twitter: http://bit.ly/11GJx9o TV Guide on Instagram: https://bit.ly/2TnLDW9