Private Gambling Hall I
Episode: 1x01 | Airdate: Jul 1, 2018
Season 1
Private Gambling Hall II
Episode: 1x02 | Airdate: Jul 8, 2018
Abandoned Hospital I
Episode: 1x03 | Airdate: Jul 15, 2018
Abandoned Hospital II
Episode: 1x04 | Airdate: Jul 22, 2018
Korea Genome Bank I
Episode: 1x05 | Airdate: Jul 29, 2018
Korea Genome Bank II, Evil Prison I
Episode: 1x06 | Airdate: Aug 5, 2018
Evil Prison II
Episode: 1x07 | Airdate: Aug 12, 2018
Evil Prison III
Episode: 1x08 | Airdate: Aug 19, 2018
Bunker I
Episode: 1x09 | Airdate: Aug 26, 2018
Bunker II
Episode: 1x10 | Airdate: Sep 2, 2018
Taeyang Girls' High School I
Episode: 1x11 | Airdate: Sep 9, 2018
Taeyang Girls' High School II
Episode: 1x12 | Airdate: Sep 16, 2018
Season 2
Mirae University I
Episode: 2x01 | Airdate: Mar 17, 2019
Mirae University II
Episode: 2x02 | Airdate: Mar 24, 2019
Buam-dong Residence I
Episode: 2x03 | Airdate: Mar 31, 2019
Buam-dong Residence II
Episode: 2x04 | Airdate: Apr 7, 2019
Mugan Prison I
Episode: 2x05 | Airdate: Apr 14, 2019
Mugan Prison II
Episode: 2x06 | Airdate: Apr 21, 2019
Hope Institute I
Episode: 2x07 | Airdate: Apr 28, 2019
Hope Institute II
Episode: 2x08 | Airdate: May 5, 2019
St. Matthew Jo's Psychiatric Hospital I
Episode: 2x09 | Airdate: May 12, 2019
St. Matthew Jo's Psychiatric Hospital II
Episode: 2x10 | Airdate: May 19, 2019
Murder Prison I
Episode: 2x11 | Airdate: May 26, 2019
Murder Prison II
Episode: 2x12 | Airdate: Jun 2, 2019
Special Episode
Episode: 2x13 | Airdate: Jun 9, 2019
Season 3
Time Machine Laboratory I
Episode: 3x01 | Airdate: Mar 1, 2020
Time Machine Laboratory II
Episode: 3x02 | Airdate: Mar 8, 2020
Zombie Factory I
Episode: 3x03 | Airdate: Mar 15, 2020
Zombie Factory II
Episode: 3x04 | Airdate: Mar 22, 2020
Dark Villa I
Episode: 3x05 | Airdate: Mar 29, 2020
Dark Villa II
Episode: 3x06 | Airdate: Apr 5, 2020
Achaland I
Episode: 3x07 | Airdate: May 3, 2020
Achaland II
Episode: 3x08 | Airdate: May 10, 2020
Bread Factory I
Episode: 3x09 | Airdate: May 17, 2020
Bread Factory II
Episode: 3x10 | Airdate: May 24, 2020
Mysterious Bunker I
Episode: 3x11 | Airdate: May 31, 2020
Mysterious Bunker II
Episode: 3x12 | Airdate: Jun 7, 2020
Special Episode
Episode: 3x13 | Airdate: Jun 14, 2020
Season 4
Back To The Ahan I
Episode: 4x01 | Airdate: Jul 11, 2021
Back To The Ahan II
Episode: 4x02 | Airdate: Jul 18, 2021
Luckyland I
Episode: 4x03 | Airdate: Jul 25, 2021
Luckyland II
Episode: 4x04 | Airdate: Aug 1, 2021
Jeoksong Prison I
Episode: 4x05 | Airdate: Aug 8, 2021
Jeoksong Prison II
Episode: 4x06 | Airdate: Aug 15, 2021
Crazy House I
Episode: 4x07 | Airdate: Aug 22, 2021
Crazy House II
Episode: 4x08 | Airdate: Aug 29, 2021
3rd Industrial Complex I
Episode: 4x09 | Airdate: Sep 5, 2021
3rd Industrial Complex II
Episode: 4x10 | Airdate: Sep 12, 2021
Sky Shelter I
Episode: 4x11 | Airdate: Sep 19, 2021
Sky Shelter II
Episode: 4x12 | Airdate: Sep 26, 2021
Review of Season 4
Episode: 4x13 | Airdate: Oct 3, 2021
Specials
Episode 13
Episode: S01 Special | Airdate: Sep 23, 2018