Check out Supergirl 4×15 Extended Promo, “O Brother, Where Art Thou?” from The CW. In the episode, Lex Luthor is secretly furloughed from prison.

Supergirl 4×15 Extended Promo


The series is new Sundays at 8/7c on The CW, and available next day on The CW App.

Supergirl 415 Lowdown

“O Brother, Where Art Thou?”

Jon Cryer Guest Stars as Iconic DC Comics’ Villain Lex Luthor

Secretly furloughed from prison due to failing health, Lex Luthor (guest star Jon Cryer) visits his sister, Lena (Katie McGrath) to seek her help finding a cure.

Savvy as ever, Lena is suspicious of Lex’s motives. However, when she’s faced with a life and death situation, she must decide how she truly feels about her brother.

Meanwhile, Supergirl (Melissa Benoist) and J’onn (David Harewood) face off against Manchester Black (guest star David Ajala). James’ sister Kelly (guest star Azie Tesfai) comes to town.

Tawnia Mckiernan directed the episode written by Derek Simon & Nicki Holcomb (#415).

Original airdate 3/17/2019.

CW Supergirl Lowdown

The Supergirl series is based on the DC character Kara Zor-El, Superman’s cousin. After 12 years of keeping her powers a secret on Earth, she decides to finally embrace her superhuman abilities. And be the hero she was always meant to be.

Kara lives in National City assisting media mogul Cat Grant. However, Kara’s days of keeping her talents a secret are over when Hank Henshaw, head of a super-secret agency, enlists her to help protect the citizens of National City from sinister threats.