Supergirl -- "Will The Real Miss Tessmacher Please Stand Up?" -- Image Number: SPG420B_0016b.jpg -- Pictured (L-R): Melissa Benoist as Kara/Supergirl and Katie McGrath as Lena Luthor -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Supergirl and Lena are still hot on the trail of Lex Luthor.

Supergirl episode 420, “Will The Real Miss Tessmacher Please Stand Up?,” will see Miss Tessmacher trying to trap Kara and Lena.

MISS TESSMACHER RETURNS WITH A VENGEANCE — Kara (Melissa Benoist) and Lena (Katie McGrath) head to Kaznia to hunt down Lex. However, Eve Tessmacher (guest star Andrea Brooks) sets a trap for the duo that could ultimately reveal that Kara is Supergirl. Meanwhile, Alex (Chyler Leigh) gets a long-awaited phone call, James (Mehcad Brooks) practices using his powers, and Ben Lockwood (Sam Witwer) takes a dangerous stand inside the DEO.

Supergirl episode 420 airs on May 5, 2019.

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