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The story of a detective who accidentally travels from the past to the present. He goes from walking along the ridges of rice paddies for clues in 1986, straight into 2016. Wherever he goes, he causes trouble and creates problems, but his antics are funny and bizarre because he is an old-fashioned detective from the past trying to adjust to life in modern day.

Tunnel is a series that is currently running and has 1 seasons (16 episodes). The series first aired on October 8, 2017.

Where do I stream Tunnel online? Tunnel is available for streaming on OCN, both individual episodes and full seasons. You can also watch Tunnel on demand at Netflix online.

Saturday at 10:00PM et/pt on OCN
1 Season, 16 Episodes
October 8, 2017
Crime Drama Thriller
Cast: Choi Jin-Hyuk, Hie-bong Jo, Hyun-min Yoon, Kang Ki-Young
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Tunnel Full Episode Guide

  • Back in the interrogation room with irrefutable evidence against him, Jin-u clams up. But Seon-jae knows how to provoke a confession out of him.

  • Standing on the brink of death, Jae-i manages to make a deal with her captor, buying just a little more time for her father to come and rescue her.

  • A small shift in the past changes the course of the future as Shin Jae-i recalls new memories. Jin-u is held in the interrogation room.

  • Transported back to the 80s, Gwang-ho is unable to process the evidence for a DNA match. However, he's able to locate the sole survivor of the murders.

  • While Gwang-ho tries to decrypt Ho-yeong's message, a medical examiner named Mok Jin-u enters his radar. Something is off-putting about him.

  • Even when he’s caught red-handed, Jung Ho-yeong is unfazed and uncooperative. But Seon-jae is more determined than ever to break him.

  • The stocking murderer returns with an evolved M.O. Seon-jae realizes that he may have unknowingly triggered the killer’s comeback.

  • Having uncovered the truth behind their linked past, Kwang-ho and Seon-jae unite under a common goal. Kwang-ho learns of his family's whereabouts.

  • An identity thief tears apart the lives of her victims. As the case unfolds, it's revealed that she's after more than their credit card numbers.

  • Gwang-ho and Seon-jae are dispatched to a crime scene when a sudden downpour traps them inside a rest stop. They suspect the killer is there too.

  • When a young student is arrested for robbery, Gwang-ho’s old-school ideas — though initially frowned upon — move the investigation forward.

  • Teamed up with Kim Seon-jae and an enigmatic criminology professor, Gwang-ho tries to identify the owner of the severed foot.

  • The year is 1985. While chasing after a petty thief, Park Gwang-ho comes across an abandoned body that's been bound and gagged in stockings.