Kara lands her dream story for Catco but when the city is suddenly attacked by a nightmare monster at the same time as her interview, she is forced to take a serious look at her life and decide if she can continue to live as both Kara and Supergirl. As Dreamer takes the lead on the search for the Dream Totem, which can vanquish the nightmare monster in National City, she realizes she needs to ask her sister Maeve for help. Old wounds resurface as the two sisters come face to face.
Season Number: 6
Episode Number: 16
Episode Title: Nightmare in National City
Air Date: Oct 19, 2021