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Supergirl Photos: “Mxy in the Middle”

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“Mxy in the Middle” is the title of the September 14 episode of Supergirl and The CW has now relased some photos to promote it! (Also, finally… Katie McGrath/Lena is in this gallery!) Thomas Lennon returns as Mxyzptlk and you can find the gallery below; underneath the images you can find a description or the episode.

SUPERGIRL

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Supergirl -- “Mxy in the Middle” -- Image Number: SPG611fg_0018r -- Pictured: Katie McGrath as Lena Luthor -- Photo: The CW -- © 2021 The CW Network, LLC. All Rights Reserved.

THOMAS LENNON RETURNS AS MR. MXYZPTLK — Supergirl (Melissa Benoist) and team must stop Nyxly (Peta Sergeant) from vanquishing a familiar face from Supergirl’s past — Mr. Mxyzptlk (guest star Thomas Lennon). Mxy returns and explains Nyxly’s dark history to the super team in the best way he knows how — in song form. Meanwhile, Lena (Katie McGrath) visits her mother’s birthplace in Newfoundland, eager to dig into her past but is shocked by the small town’s icy reception towards her. The episode was directed by Glen Winter with story by Rob Wright and teleplay by Elle Lipson & Chandler Smidt (#611). Original airdate 9/14/2021.

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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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