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Supergirl - Season 4 Episode 15 : O Brother, Where Art Thou? (2021)
 
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Rated: 7.3 out of 10 with 3207 votes.
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.
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Seasons: 6Episodes: 118 7.3 TV-MA Trailer
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Main Actors:
Kara Danvers / Supergirl / Kara Zor-El
Alex Danvers / Sentinel
J'onn J'onzz / Martian Manhunter
Lena Luthor
Querl Dox / Brainiac-5
Nia Nal / Dreamer
Kelly Olsen
Andrea Rojas / Acrata
William Dey
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TV Network:CBS, The CW
Alternative Titles:Super-girl, Super girl, 超级少女, Σούπεργκερλ, Супердевушка
Release Date:Jan 01, 1970
Last Air Date:May 11, 2021
Number of Seasons:6
Number of Episodes:118
Genres:Drama, Sci-Fi & Fantasy, Action & Adventure
Season Poster
Season: 4
118 Episodes from Oct 26, 2015 until May 11, 2021
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Supergirl - Season List:
Season 0
2019-12-09
Season 1
2015-10-26
Season 2
2016-10-10
Season 3
2017-10-09
Season 4
2018-10-14
Season 5
2019-10-06
Season 6
2021-03-30