Supergirl Season 3 Episode 21: Not Kansas
KARA CONSIDERS A MAJOR LIFE CHANGE – Kara (Melissa Benoist) makes a major life decision. Meanwhile, J’onn (David Harewood) finds out that special DEO-caliber guns have hit the streets of National City.
Directed by: Dermott Downs
Written by: Gabriel Llanas & Anna Musky-Goldwyn (#321).
Original airdate 04 June 2018 (US) / 05 June 2016 (Australia)