| "Not Kansas" | |
|---|---|
| Series Supergirl Season 3, Episode 21 | |
| File:Supergirl 3x21 001.jpg | |
| Air date | June 4th, 2018 |
| Writers | Caitlin Parrish; Derek Simon |
| Director | Glen Winter |
| Producers | Greg Berlanti; Andrew Kreisberg; Jessica Queller; Robert Rovner; Sarah Schechter; Paula Yoo; Chris Pavoni; Gabriel Llanas; Caitlin Parrish; Jesse Warn; Joanie L. Woehler; Carl Ogawa; Dani Dornfeld Yaroslow; Daphne Raves |
| Starring | Melissa Benoist; Mehcad Brooks; Chyler Leigh; Jeremy Jordan; Katie McGrath; Odette Annable; David Harewood |
| Episode guide | |
| Previous "Of Two Minds" |
Next "Make It Reign" |
"Not Kansas" is the twenty-first episode of season three of the superhero fantasy series Supergirl and the fifty-sixth episode of the series overall. It was directed by Glen Winter with a script written by Caitlin Parrish and Derek Simon. It first aired on the CW Network on Monday, June 4th, 2018 at 8:00 pm.