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Young Sherlock Season 1

Season 1

Three high school friends—Ha-na, Ha-ru, and Woo-jae—are torn apart when Woo-jae is killed protecting Ha-na from a stalker. Years later, a mysterious accident hurls the twins back to 2010, where they awaken in each other's bodies. Determined to save Woo-jae, they must navigate swapped identities, shifting timelines, and the feelings that could alter the future.

202612 EpisodesComedy, Drama, Sci-Fi & Fantasy

Cast & Crew

Ha Do-kwon

Ha Do-kwon

Yun Chang-sik

Park Mi-hyeon

Park Mi-hyeon

Jung Yeong-suk

Park Seo-ham

Park Seo-ham

Jeong Woo-jae

Moon Seung-you

Moon Seung-you

Seo Ye-rang

Bona

Bona

Yoon Ha-na

Kang Hyung-suk

Kang Hyung-suk

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Jang Se-hyuk

Jang Se-hyuk

Yoon Ha-ru

Kim Han-yeong

Kim Han-yeong

Hyung-won

Episode Guide

After Woo-jae’s death, Hana begins traveling through time. She finally reunites with Woo-jae, but when he looks at her, he doesn’t see Hana—he sees Haru.

Season 1 FAQs

The cast of Season 1 includes Ha Do-kwon as Yun Chang-sik, Park Mi-hyeon as Jung Yeong-suk, Park Seo-ham as Jeong Woo-jae, Moon Seung-you as Seo Ye-rang, Bona as Yoon Ha-na, Jang Se-hyuk as Yoon Ha-ru, and Kim Han-yeong as Hyung-won.