Supergirl Season 4 Episode 20 : Will The Real Miss Tessmacher Please Stand Up?
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.
Action, Adventure, Drama, Science Fiction
CBS, The CW
Duration: 42 min