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Supergirl Trailer: Previewing The Final Episodes

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The final run of Supergirl begins Tuesday, August 24, one week after the season finale for Superman & Lois Season 1. When Supergirl Season 6 returns, of course, we will begin the final batch of episodes leading to the series finale later this year.

Today, The CW released a trailer for those final episodes, containing a bunch of new clips and glimpses at things to come, including the new Guardian as well as an appearance by Nia’s mom. You can see the trailer below, and if you’d like to be kept aware of updates for when official descriptions and promotional photos come out, be sure to follow @KryptonSite on Twitter!

Here’s that trailer:

About the author

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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