Supergirl Season 4 Episode 20

Kara and Lena head to Kaznia to hunt down Lex. However, Eve Tessmacher sets a trap for the duo that could ultimately reveal that Kara is Supergirl. Meanwhile, Alex gets a long-awaited phone call, James practices using his powers, and Ben Lockwood takes a dangerous stand inside the DEO.

Episode Title: Will The Real Miss Tessmacher Please Stand Up?

Air Date: 2019-05-05