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Supergirl “Crime and Punishment” Preview Images

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The CW has released some official preview images to promote the April 21 episode of Supergirl.

It’s called “Crime and Punishment” and you can see the new photos below. But first, a description:

WILLIE GARSON GUEST STARS — Supergirl (Melissa Benoist) and Lena (Katie McGrath) head to Stryker’s Island to search for clues on how to defeat Lex. At the prison, Supergirl tries to befriend a nosy prisoner, Steve (guest star Willie Garson), who may have insight into what Lex was doing, but he and all of the prisoners regard her as a traitor to the country and refuse to talk to her. Lena realizes Lex left behind clues for her and deciphering them could be the key to his whereabouts. Meanwhile, Kelly (guest star Azie Tesfai) encourages James (Mehcad Brooks) to talk to someone about his PTSD, and Alex (Chyler Leigh) faces off against Ben Lockwood (Sam Witwer) after he storms the DEO and acquires some powerful weapons to hunt Supergirl. Antonio Negret directed the episode with story by Rob Wright and teleplay by Lindsay Sturman & Aadrita Mukerji (#418). Original airdate 4/21/2019.

SUPERGIRL

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Supergirl -- "Crime and Punishment" -- Image Number: SPG418b_0267r.jpg -- Pictured (L-R): Katie McGrath as Lena Luthor and Melissa Benoist as Kara/Supergirl -- Photo: Bettina Strauss/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

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About the author

Craig Byrne

Craig Byrne has been writing about Superman TV since 1995, when the "Lois & Clark Krypton Club" launched. He founded KryptonSite.com in February 2001, becoming the first fan site for The WB/CW television series Smallville. He also wrote the Official Companion books for Smallville seasons 4-7 as well as the Smallville Visual Guide.

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About KryptonSite

In a time before social media, Craig Byrne created KryptonSite as the ultimate fan destination for The WB/CW series Smallville which starred Tom Welling, Michael Rosenbaum, Kristin Kreuk, Erica Durance and more. In the decades since, KryptonSite has grown to cover newer Superman-related TV and movie projects while still always holding on to Smallville.

The web’s first source for Smallville news, continuing to cover Supergirl, Superman & Lois, the new Superman films and more!

Copyright © 2026 Craig Byrne & KryptonSite and the respective original authors of posts. Smallville, Kryptonite and other Superman-related items are the property of DC Comics. No infringement is intended.

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