Brain Works () is a 2023 South Korean television series starring Jung Yong-hwa, Cha Tae-hyun, Kwak Sun-young, and Ye Ji-won. It aired on KBS2 from January 2 to February 28, 2023, every Monday and Tuesday at 21:50 (KST) for 16 episodes.

Synopsis Brain Works is a science-themed comedic investigative drama that follows the story of two men, who cannot stand each other, as they partner up to solve a criminal case involving a rare brain disease.

Cast Main Jung Yong-hwa as Shin Ha-ru, a neuroscientist who has an "extraordinary brain" Seo Woo-jin as young Shin Ha-ru Cha Tae-hyun as Geum Myung-se, a detective who has an "altruistic brain" Kwak Sun-young as Seol So-jung, a forensic hypnosis investigator who has an "anxious brain" Ye Ji-won as Kim Mo-ran, Myung-se's ex-wife who has a "sexual brain"

Supporting People around Ha-ru Jung Dong-hwan as Hwang Dong-woo, a murderer and a death row inmate who has a "psychopath brain" Kim Soo-jin as Shin Ji-hyung, a neurosurgeon at Korea University Hospital who has a "middle-aged brain" Lim Chul-hyung as Park Chi-guk, head of the Brain Hub Center, a brain science research institute affiliated with Korea University Hospital, who has a "political brain"

People around Myung-se Woo Hyun as Kim Gil-joong, chief of the neuroscience team at the Seobu Police Station who has a "menopausal brain" Kim Ah-song as Geum I-na, Myung-se's daughter who has a "teenage brain"

Extended Kim Kang-il as Kang Seong-ha, a murderer Park Sang-hoon as Ho-young Han Ji-wan as Han Yeon-hee Lee Won-jung as Kim Joon-young Oh Yoon-hong

Special appearances Jang Ho-il as Kim Jae-won Moon Won-joo as O Sang-gi Han Soo-yeon as Jung In-young Jang Dong-seon Jung Jin-young as Park Jin-young Lee Sang-sook as Lee Jeong-ja Lee Seung-joon as Heo Bum-soo Jeon Ik-ryeong as Kim Jae-suk Im Do-hwa as a virtual human Ha Si-eun

Production It was reported that filming for the series was scheduled to start in July 2022.

Viewership

+ Average TV viewership ratings Original broadcast date Average audience share Nielsen KoreaNielsen Korea ratings:

TNmSTNmS ratings:

Nationwide Seoul Nationwide 1 January 2, 2023 4.3% 4.4% 2 January 3, 2023 4.1% 3.8% rowspan="4" 3 January 9, 2023 3.9% 3.7% 4 January 10, 2023 5 January 16, 2023 4.3% 4.2% 6 January 17, 2023 4.4% 4.6% 3.4% 7 January 30, 2023 4.0% 3.7% rowspan="3" 8 January 31, 2023 9 February 6, 2023 3.9% 3.8% 10 February 7, 2023 3.7% 3.8% 3.5% 11 February 13, 2023 3.7% 3.8% 12 February 14, 2023 3.4% 3.6% rowspan="2" 13 February 20, 2023 4.3% 4.3% 14 February 21, 2023 4.0% 4.2% 4.0% 15 February 27, 2023 4.2% 4.2% 3.4% 16 February 28, 2023 4.9% Average In the table above, the represent the lowest published ratings and the represent the highest published ratings. N/A denotes ratings that were not published.

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