The CW has released the Official Synopsis of Supergirl episode “Nightmare in National City” (6.16) that will be aired Tuesday, October 19 at 09:00-10:00 PM.
OFFICIAL SYNOPSIS
NIA CONFRONTS HER SISTER
Kara (Melissa Benoist) 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 (Nicole Maines) takes the lead on the search for the Dream Totem, which can vanquish they nightmare monster in National City, she realizes she needs to ask her sister Mauve (guest star Hannah James) for help. Old wounds resurface as the two sisters come face to face.
SUPERGIRL stars Melissa Benoist as Kara Danvers/Supergirl, Chyler Leigh as Alex Danvers, Mehcad Brooks as James Olsen, David Harewood as Hank Henshaw, Jeremy Jordan as Winslow “Winn” Schott and Tyler Hoechlin as Superman.
The episode was directed by Eric Dean Seaton written by Rob Wright and Jess Kardos (#616).
Supergirl is an action-adventure drama based on the DC Comics character Kara Zor-El (Melissa Benoist), Superman’s (Kal-El) cousin who, after 12 years of keeping her powers a secret on Earth, decides to finally embrace her superhuman abilities and be the hero she was always meant to be.
Based on characters appearing in comic books and graphic novels published by DC Comics, with executive producers Greg Berlanti, Ali Adler, Sarah Schecter and Andrew Kreisberg for Berlanti Productions in association with Warner Bros. Television.