Shadow Detective () is a 2022 South Korean crime thriller television series directed by Han Dong-hwa, starring Lee Sung-min as a veteran detective who becomes a murder suspect after receiving a phone call. The series co-stars Jin Goo, Kyung Soo-jin, Lee Hak-joo, Jung Jin-young, and Kim Shin-rok. It premiered on Disney+ on October 26, 2022. In November 2022, the series was renewed for a second season, which was released on July 5, 2023.
Detective Taek-rok, who is nearing retirement, receives a threatening phone call and finds himself framed for murder. The mysterious caller, who calls himself a friend, challenges Taek-rok to a twisted game, ordering him to reinvestigate the cases he once handled. To catch the culprit, Taek-rok revisits his long and difficult life with determination. As he follows the trail, he comes face to face with a shocking truth.
The series was announced on Disney+. The series was initially titled as Old Detective but later changed as Shadow Detective. The principal photography of the series commenced in October 2022. The trailer of the series was released on October 11, 2022.
Pierce Conran of South China Morning Post graded both seasons with out of 5 stars. Rhian Daly of NME rated the season with 4 out of 5 stars in her review.