The fall TV season is finally in full swing, with several shows debuting this week, although fans will have to wait a bit longer for other programs. One of the latest fall debuts this season is CBS' Supergirl, which airs its series premiere on Monday, October 26 at 8:30 PM ET, before shifting to its regular time slot on Mondays at 8 PM on November 2. To get fans ready for this highly-anticipated series, the network has debuted a brand new trailer with never-before-seen footage.

This Supergirl footage gives us our first look at Peter Facinelli as Maxwell Lord, a DC Comics character who has been portrayed as both a hero and a villain. In the new series, Lord is a billionaire tech genius and friendly rival of Cat Grant (Calista Flockhart), the boss of Kara Zor-El (Melissa Benoist). It isn't clear yet if Maxwell will be an ally or an enemy to Supergirl, but this trailer teases that the Kryptonian prison Fort Rozz crashed on Earth, leading to the escape of the "worst criminals in the galaxy."

Supergirl is an action-adventure drama based on the DC Comics character Kara Zor-El (Melissa Benoist), Superman's (Kal-El) cousin who, after 12 years of keeping her powers a secret on Earth, decides to finally embrace her superhuman abilities and be the hero she was always meant to be. Twelve-year-old Kara escaped the doomed planet Krypton with her parents' help at the same time as the infant Kal-El. Protected and raised on Earth by her foster family, the Danvers, Kara grew up in the shadow of her foster sister, Alex (Chyler Leigh), and learned to conceal the phenomenal powers she shares with her famous cousin in order to keep her identity a secret.

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Years later at 24, Kara lives in National City assisting media mogul and fierce taskmaster Cat Grant (Golden Globe Award winner Calista Flockhart), who just hired the Daily Planet's former photographer, James Olsen (Mehcad Brooks), as her new art director. However, Kara's days of keeping her talents a secret are over when Hank Henshaw (David Harewood), head of a super-secret agency where her sister also works, enlists her to help them protect the citizens of National City from sinister threats. Though Kara will need to find a way to manage her newfound empowerment with her very human relationships, her heart soars as she takes to the skies as Supergirl to fight crime.

Supergirl will also feature a number of guest stars such as Chris Browning (Reactron), Jenna Dewan-Tatum (Lucy Lane/Superwoman), Brit Morgan (Livewire) and Iddo Goldberg (Red Tornado). The supporting cast includes Laura Benanti and Jeremy Jordan as Winn Schott, but stay tuned to learn about more casting additions as we get closer and closer to the series premiere. Take a look at the latest footage from Supergirl, to get ready for the series premiere in late October.

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