Supergirl Season 4 Episode 15
O Brother, Where Art Thou?
Secretly furloughed from prison due to failing health, Lex Luthor 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 Kelly comes to town.
4 - 22The Quest for PeaceMay. 19, 2019- 4 - 21Red DawnMay. 12, 2019
- 4 - 20Will The Real Miss Tessmacher Please Stand Up?May. 05, 2019
- 4 - 19American DreamerApr. 28, 2019
- 4 - 18Crime and PunishmentApr. 21, 2019
- 4 - 17All About EveMar. 31, 2019
- 4 - 16The House of LMar. 24, 2019
- 4 - 15O Brother, Where Art Thou?Mar. 17, 2019
- 4 - 14Stand and DeliverMar. 10, 2019
- 4 - 13
- 4 - 12MenagerieFeb. 17, 2019
- 4 - 11Blood MemoryJan. 27, 2019
- 4 - 10Suspicious MindsJan. 20, 2019
- 4 - 9Elseworlds (III)Dec. 11, 2018
- 4 - 8Bunker HillDec. 02, 2018
- 4 - 7Rather the Fallen AngelNov. 25, 2018
- 4 - 6Call to ActionNov. 18, 2018
- 4 - 5Parasite LostNov. 11, 2018
- 4 - 4AhimsaNov. 04, 2018
- 4 - 3Man of SteelOct. 28, 2018
- 4 - 2FalloutOct. 21, 2018
- 4 - 1American AlienOct. 14, 2018
