Watch: Supergirl 3×21 “Not Kansas” Promo

After tonight’s all new episode of Supergirl we got presented with the first look promotional trailer for the upcoming twenty-first episode of the current season, an episode titled “Not Kansas” and you can check it out above.

SUPERGIRL
“Not Kansas” — (8:00-9:00 p.m. ET) (TV-PG, V) (HDTV)

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. Dermott Downs directed the episode written by Gabriel Llanas & Anna Musky-Goldwyn (#321). Original airdate 6/4/2018.

Supergirl airs on Mondays, on The CW.