In this week’s episode of Supergirl Radio, Morgan Glennon and Rebecca Johnson discuss the Supergirl season four episode titled "O Brother, Where Art Thou?"!  Official Description by The CW for Supergirl 4.15: "Secretly furloughed from prison due to failing health, Lex Luthor (guest star Jon Cryer) visits his sister, Lena, to seek her help finding a cure. Savvy as ever, Lena is suspicious of Lex's motives but when she's faced with a life and death situation, she must decide how she truly feels about her brother. Meanwhile, Supergirl and J'onn face off against Manchester Black. James' sister (guest star Azie Tesfai) comes to town. Guest Stars include David Ajala (Manchester Black), Andrea Brooks (Eve Teschmacher), April Parker Jones (Colonel Lauren Haley), Robert Baker (Otis Graves), William MacDonald (Dr. Kaplan), Byron Brisco (Guard #2), Christina Lewall (Trauma Doctor), Lincoln McGowan (Guard), and Amos Stern (Guard #3)." Supergirl stars Melissa Benoist (Kara Danvers/Supergirl), Chyler Leigh (Alex Danvers), Mehcad Brooks (James Olsen), David Harewood (J'onn J'onzz/Martian Manhunter), Jesse Rath (Querl Dox/Brainiac-5), Katie McGrath (Lena Luthor), Nicole Maines (Nia Nal), and Sam Witwer (Ben Lockwood). WRITTEN BY: Derek Simon and Nicki Holcomb. DIRECTED BY: Tawnia McKiernan.  You can find Supergirl Radio on: Social Media: Facebook – Twitter – Instagram  Subscribe: Apple Podcasts – Stitcher Radio – DC TV Podcasts - Google Play - Spotify - Spotify Playlist - iHeartRadio - Radio Public - Podchaser Contact: supergirlradio@gmail.com