Brain poster
Where to stream

Brain

7.820111 seasonTV SeriesDramaRomance

Lee Gang Hun is a brilliant brain surgeon who will do anything for success. Haunted by the hardships he had growing up including his father’s death, he’s filled with ambition and hopes to prove himself to be the best when it comes to…

DirectorsSong Hyun-wook·Yoo Hyeon-gi
WriterYun Gyeong-a

Where to watch

KocowaKocowa
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
Episode 1
Nov 14, 2011
E2
Episode 2
Nov 14, 2011
E3
Episode 3
Nov 21, 2011
E4
Episode 4
Nov 22, 2011
E5
Episode 5
Nov 28, 2011
E6
Episode 6
Nov 29, 2011
E7
Episode 7
Dec 5, 2011
E8
Episode 8
Dec 6, 2011
E9
Episode 9
Dec 12, 2011
E10
Episode 10
Dec 13, 2011
E11
Episode 11
Dec 19, 2011
E12
Episode 12
Dec 20, 2011
E13
Episode 13
Dec 26, 2011
E14
Episode 14
Dec 27, 2011
E15
Episode 15
Jan 2, 2012
E16
Episode 16
Jan 3, 2012
E17
Episode 17
Jan 9, 2012
E18
Episode 18
Jan 10, 2012
E19
Episode 19
Jan 16, 2012
E20
Episode 20
Jan 17, 2012

Cast · Directed by Song Hyun-wook

SHShin Ha-kyun
Shin Ha-kyun
Lee Kang-hoon
CJChoi Jung-won
Choi Jung-won
Yoon Ji-hye
CDCho Dong-hyuk
Cho Dong-hyuk
Seo Joon-suk
JJJung Jin-young
Jung Jin-young
Kim Sang-chul
CKClaudia Kim
Claudia Kim
Jang Yoo-jin
SHShim Hyung-tak
Shim Hyung-tak
Jo Dae-shik
KGKim Ga-eun
Kim Ga-eun
Lee Ha-young
IJIm Ji-eun
Im Ji-eun
Hong Eun-sook
BHBan Hyo-jung
Ban Hyo-jung
Hwang Young-sun
KYKwon Yul
Kwon Yul
Yeo Bong-gu
SOSong Ok-suk
Song Ok-suk
Kim Soon-im
KYKang Ye-seo
Kang Ye-seo
Choi Roo Bi

More from Shin Ha-kyun · Lead actor

Fifties Professionals
Fifties Professionals
2026 · 6.3
Sympathy for Mr. Vengeance
Sympathy for Mr. Vengeance
2002 · 7.5
Lady Vengeance
Lady Vengeance
2005 · 7.5
Joint Security Area
Joint Security Area
2000 · 7.8
Extreme Job
Extreme Job
2019 · 7.2
Beyond Evil
Beyond Evil
2021 · 8.5
Pied Piper
Pied Piper
2016 · 7.0
The Thieves
The Thieves
2012 · 6.8
Thirst
Thirst
2009 · 7.1
The Villainess
The Villainess
2017 · 6.9
See all fromShin Ha-kyun

More from Choi Jung-won · Co-star actress

The Kingdom of the Wind
The Kingdom of the Wind
2008 · 7.4
Famous Princesses
Famous Princesses
2006 · 7.5
Witch's Castle
Witch's Castle
2015 · 5.5
Stars Falling From the Sky
Stars Falling From the Sky
2010 · 6.0
Beating Heart
Beating Heart
2005 · 6.0
Love in Her Bag
Love in Her Bag
2013 · 7.0
Perfect Game
Perfect Game
2011 · 6.9
Small Town Rivals
Small Town Rivals
2007 · 6.7
My Father
My Father
2007 · 6.3
Good friends
Good friends
2013 · 3.2
See all fromChoi Jung-won

More from Song Hyun-wook · Director

The King's Affection
The King's Affection
2021 · 8.1
The Golden Spoon
The Golden Spoon
2022 · 7.0
Another Miss Oh
Another Miss Oh
2016 · 8.2
The Beauty Inside
The Beauty Inside
2018 · 7.9
Walking on Thin Ice
Walking on Thin Ice
2025 · 6.6
Graceful Friends
Graceful Friends
2020 · 7.4
The Midnight Studio
The Midnight Studio
2024 · 8.1
Marriage, Not Dating
Marriage, Not Dating
2014 · 7.7
Serendipity's Embrace
Serendipity's Embrace
2024 · 8.2
My Shy Boss
My Shy Boss
2017 · 7.2
See all fromSong Hyun-wook

More like this

Angel Eyes
Angel Eyes
2014 · 6.7
Hyper Knife
Hyper Knife
2025 · 7.8
Blood
Blood
2015 · 7.4
Beautiful Mind
Beautiful Mind
2016 · 7.8
Dr. Brain
Dr. Brain
2021 · 7.2
Reunited Worlds
Reunited Worlds
2017 · 7.6
High Society
High Society
2015 · 7.2
Hwajung
Hwajung
2015 · 4.5
High School King of Savvy
High School King of Savvy
2014 · 7.5
Falling for Innocence
Falling for Innocence
2015 · 7.7
The Time We Were Not in Love
The Time We Were Not in Love
2015 · 5.2
The Fugitive of Joseon
The Fugitive of Joseon
2013 · 4.9

Brain — streaming FAQ

Which OTT platform streams Brain?

Brain is streaming on Kocowa in United States. It's not currently on Netflix.

Is Brain on Netflix?

No, Brain is not on Netflix in United States as of September 2026. It's currently on Kocowa.

Is Brain on Amazon Prime Video?

No, Brain isn't on Amazon Prime Video in United States right now. It's on Kocowa instead.

Where can I watch Brain for free?

Brain is available on Kocowa in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in Brain?

Brain has 1 season in total (20 episodes). The series concluded in 2012.

Are all episodes of Brain out yet?

Yes — all 20 episodes across 1 season of Brain are out and available to stream.

Is there a Season 2 of Brain?

No — Brain ended after 1 season, so there is no Season 2.