1 Season
16 Episode
Tunnel - Season 1 Episode 2
- Year: 2017
- Country: South Korea
- Genre: Crime, Mystery
- Studio: OCN
- Keyword: detective, time travel, murder, bromance, hidden identity, slight romance, teamwork
- Director:
- Cast: Choi Jin-hyuk, Yoon Hyun-min, Lee You-young, Jo Hee-bong, Kim Byung-chul, Kang Ki-young