Girl of Steel: Kara (Melissa Benoist) deals with the loss of Mon-El (Chris Wood) by focusing all her energy on being Supergirl and the mysterious new threat against National City. Alex (Chyler Leigh) confesses a secret to Maggie (guest star Floriana Lima) about their impending nuptials.
A citizen of National City has a mysterious connection to Kara, and Lena (Katie McGrath) makes a bold move.
Jesse Warn directed the episode with story by Andrew Kreisberg and teleplay by Robert Rovner and Caitlin Parrish.
Series: Supergirl Season 3 Episode 1
Air Date: Monday, October 09, 2017
Time Slot: 8:00 PM-9:00 PM EST on The CW