TV series
The truth lies in your mind.
Brilliant brain scientist Sewon suffers a horrific personal tragedy. Desperate to uncover what happened to his family, he conducts "brain syncs" with the dead to access their memories for clues.
Streaming, rental and purchase options
Checked Sep 3, 2026
Dr. Brain is available to stream on Apple TV+ and Apple TV+ Amazon Channel in United States. Use the direct links below to open the provider.
Brilliant brain scientist Sewon suffers a horrific personal tragedy. Desperate to uncover what happened to his family, he conducts "brain syncs" with the dead to access their memories for clues.
Choose an episode, then use the watch options above for the show.
Episode 1
Sewon, a research-obsessed brain scientist, gets devastating news that pushes him to advance a risky brain-sync system in search of answers.
Guest stars Jo Bok-rae, Moon Sung-keun, Ahn Mi-na, Jeon So-nee, Kim Ju-hun, Kong Seong-ha
Episode 2
Intel from a private investigator drives Sewon to conduct more brain syncs, leading him to believe his wife, Jaeyi, was right about their son Doyoon
Guest stars Um Tae-goo
Episode 3
Sewon's investigation makes him a target, and he discovers a disturbing truth about the private investigator that rocks both their worlds.
Guest stars Um Tae-goo, Park Ji-ye
Episode 4
Heejin, the daughter of a man connected to Jaeyi, sheds new light on Sewon's home life and shares more details about what happened to Doyoon.
Guest stars Um Tae-goo
Episode 5
Sewon confronts the mastermind pulling the strings behind his ordeal and setting in motion the diabolical plan involving him and his family.
Where to watch Dr. Brain
Episode 6
Harnessing the power of his unique brain and the knowledge of those he synced with, Sewon risks his life to save his family.
Where to watch Dr. BrainEpisode information updated Sep 17, 2026
Lee Sun-kyunKoh Se-won
Park Hee-soonLee Kang-mu
Seo Ji-hyeLieutenant Cho
Jo Bok-raeSergeant Park
Lee You-youngJung Jae-yi
Lee Jae-wonHong Nam-il
Teo YooSecretary Yoon
Cha HeeDr. Hahn
Apple TV
Kakao EntertainmentSouth Korea
YG StudioplexSouth Korea
