The BEST Episodes of Catch The Ghost

Every episode ever - ranked by fan votes!

Last Updated: Feb 2, 2021

Network: tvN

Yoo-Ryung is a rookie detective. Her twin sister with autism has gone missing. To find her sister, Yoo-Ryung applies to the subway police team. Yoo-Ryung has exceptional space perception. She solves cases using her exceptional space perception and strong sense of justice. Her partner detective is often busy cleaning up behind her.

A Petty Thief?

#1 - A Petty Thief?

Season 1 - Episode 6 - Aired Nov 5, 2019

A rumor circulates about people disappearing after they party all night on Club Day, then taking the first train home. Ryung and Ji Seok get on the first train to find out whether the rumor is true.

star 8.57
7 votes
Finally Catching The Subway Ghost

#2 - Finally Catching The Subway Ghost

Season 1 - Episode 16 - Aired Dec 10, 2019

Finally, Ryung and the Subway Ghost come face to face. As his rage explodes, the Subway Ghost attacks Ryung, but another tragedy puts a stop to his actions in the end. Meanwhile, Jin appears at the scene, only to run away amidst the chaos. Ryung, the Subway Police, and Ma Ri’s team put in all their efforts into reuniting the twin sisters. (

star 8.33
9 votes
Job Interview & Audition

#3 - Job Interview & Audition

Season 1 - Episode 1 - Aired Oct 21, 2019

The Subway Police of Wangsoori Station is led by Chief Inspector Ko Ji Seok. He is the best of the best, although his only goal in life is to have a stable, uneventful career. However, a serial killer, nicknamed “the Subway Ghost”, strikes the Subway Police 30 Year Anniversary event. An applicant shows up for a job interview to join the team.

star 8.27
15 votes
Directors: Sin Yoon-seob
Writers: Lee Young-joo, So Won
Facing the Harsh Truth

#4 - Facing the Harsh Truth

Season 1 - Episode 8 - Aired Nov 12, 2019

Ma Ri leaves Ryung after saying harsh words that keep replaying in Ryung’s mind. Still, Ryung continues her search for the Subway Ghost. But this time, she comes across someone willing to help. Meanwhile, an autistic boy goes missing from the bakery in Wangsoori Station and the Grasshoppers are on a pickpocketing spree once again. Ji Seok and Ryung have different priorities in which case to pursue.

star 8.25
8 votes
Getting Closer to the Subway Ghost

#5 - Getting Closer to the Subway Ghost

Season 1 - Episode 9 - Aired Nov 18, 2019

Ryung and Ji Seok save Choi Do Chul just in time. Throughout their investigation, Ji Seok miraculously learns to appreciate Ryung’s over-the-top nature. Meanwhile, a star professional fighter becomes the PR Ambassador for the Subway Police. By chance, Ryung comes across his dirty secret and the Wangsoori Subway Police finally get a lead on the Grasshoppers.

star 8.25
8 votes
Going Home to Family

#6 - Going Home to Family

Season 1 - Episode 2 - Aired Oct 22, 2019

Ryung officially becomes a member of the Wangsoori Subway Police and Ji Seok’s partner. Ryung gets into trouble from the start, because she sneaks into the tunnels. Meanwhile, an elderly man who delivers packages via subway becomes the victim of an assault. Ji Seok realizes that the package is related to criminal activities. While Ji Seok wants to hand the case over, Ryung acts before she thinks, as always.

star 8.10
10 votes
Club Day

#7 - Club Day

Season 1 - Episode 5 - Aired Nov 4, 2019

Ji Seok makes up his mind to kick Ryung out of the Subway Police for taking investigations into her own hands all the time. However, Ryung is attacked while out on an investigation by herself and there is something weird about the man who seems to be following her. Meanwhile, the Wangsoori Subway Police get dressed up to go out on Club Day, the best day to boost their arrest records.

star 8.10
10 votes
Disciplinary Hearing

#8 - Disciplinary Hearing

Season 1 - Episode 3 - Aired Oct 28, 2019

Ryung and Ji Seok attend the disciplinary committee hearing and return to the station for night duty. Thanks to Ji Seok’s martial arts demonstration and a pot of noodles, Ryung gets her hands on the screen door keys once more. Meanwhile, an ordinary father, whose livelihood takes place on the subway, goes missing.

star 8.00
8 votes
Tracking Down the Grasshoppers

#9 - Tracking Down the Grasshoppers

Season 1 - Episode 4 - Aired Oct 29, 2019

Ryung and Ji Seok save Choi Do Chul just in time. Throughout their investigation, Ji Seok miraculously learns to appreciate Ryung’s over-the-top nature. Meanwhile, a star professional fighter becomes the PR Ambassador for the Subway Police. By chance, Ryung comes across his dirty secret and the Wangsoori Subway Police finally get a lead on the Grasshoppers.

star 8.00
9 votes
Going After the Grasshoppers

#10 - Going After the Grasshoppers

Season 1 - Episode 11 - Aired Nov 25, 2019

The police make headway on the Subway Serial Murders and narrow down the suspect list. After getting a tip about the identity of one of the Grasshoppers, Ryung and the Metropolitan Detective Division chase him down as he might be the Subway Ghost. Meanwhile, Ji Seok’s investigative instincts start acting up again, despite his suspension.

star 8.00
6 votes
The Subway Ghost Reveals Himself

#11 - The Subway Ghost Reveals Himself

Season 1 - Episode 14 - Aired Dec 3, 2019

The police believe the Subway Ghost is in a mental hospital and that he plans to commit another murder. They chase him down and search the entire hospital building. Amid the chaos, Ji Seok’s mom and her caretaker are nowhere to be found. The Subway Ghost leaves behind a video clip, revealing himself and the shocking truth.

star 8.00
7 votes
The Subway Ghost’s Method

#12 - The Subway Ghost’s Method

Season 1 - Episode 15 - Aired Dec 9, 2019

Ryung and Ji Seok make their way into Kyung Hee’s house and find a room that looks like a young girl’s. After sharing the new evidence with Ma Ri and her team, they split up into two groups to chase both Kyung Hee and Yi Joon. Meanwhile, Ryung’s hopes of finding Jin alive begin to grow and Ji Seok gets a call from the hospital about his mom.

star 8.00
8 votes
The Hideout

#13 - The Hideout

Season 1 - Episode 10 - Aired Nov 19, 2019

Ryung and Ji Seok save Choi Do Chul just in time. Throughout their investigation, Ji Seok miraculously learns to appreciate Ryung’s over-the-top nature. Meanwhile, a star professional fighter becomes the PR Ambassador for the Subway Police. By chance, Ryung comes across his dirty secret and the Wangsoori Subway Police finally get a lead on the Grasshoppers.

star 7.89
9 votes
Jealousy & Confusion

#14 - Jealousy & Confusion

Season 1 - Episode 7 - Aired Nov 11, 2019

Subway Police and the Metropolitan Detective Division come together for a joint investigation. Despite Ji Seok’s jealousy, the joint investigation team switch partners. Ji Seok and Ma Ri become one team, while Ryung and Woo Hyuk become another. Meanwhile, Ji Seok decides to let Ryung transfer to a different team. As Ma Ri approaches him again, Ji Seok feels confused.

star 7.86
7 votes
The One That Got Away

#15 - The One That Got Away

Season 1 - Episode 12 - Aired Nov 26, 2019

One of the Grasshoppers gets away from the police. The other two Grasshoppers confess that they only know him as Han Tae Woong, although that name turns out to be a fake identity. The investigation reaches a dead end and Ji Seok is about to be reassigned to a remote island. Ryung comes up with a plan to save Ji Seok and to catch the Subway Ghost.

star 7.71
7 votes
The Grasshoppers Are Behind Bars

#16 - The Grasshoppers Are Behind Bars

Season 1 - Episode 13 - Aired Dec 2, 2019

Ji Seok and Ryung catch the remaining Grasshopper who everyone believes is the Subway Ghost. However, while being interrogated, the Captain of the Grasshoppers makes a shocking statement. The truth about the Subway Serial Murder Case finally begins to reveal itself and Ryung is hopeful that she may find out what happened to her sister.

star 7.57
7 votes