Episodes season 0

• 0x1

  Top 50

Episodes season 1

• 1x1

  Private gambling hall (1)

• 1x2

  Private gambling hall (2)

• 1x3

  Abandoned hospital (1)

• 1x4

  Abandoned hospital (2)

• 1x5

  Korea genome bank (1)

• 1x6

  Korea genome bank (2) / evil prison (1)

• 1x7

  Evil prison (2)

• 1x8

  Evil prison (3)

• 1x9

  Bunker (1)

• 1x10

  Bunker (2)

• 1x11

  Taeyang girls' high school (1)

• 1x12

  Taeyang girls' high school (2)

• 1x13

  Season 1 review

Episodes season 2

• 2x1

  Mirae university (1)

• 2x2

  Mirae university (2)

• 2x3

  Buam-dong residence (1)

• 2x4

  Buam-dong residence (2)

• 2x5

  Mugan prison (1)

• 2x6

  Mugan prison (2)

• 2x7

  Hope institute (1)

• 2x8

  Hope institute (2)

• 2x9

  St. matthew jo's psychiatric hospital (1)

• 2x10

  St. matthew jo's psychiatric hospital (2)

• 2x11

  Murder prison (1)

• 2x12

  Murder prison (2)

• 2x13

  Season 2 review

Episodes season 3

• 3x1

  Time machine laboratory (1)

• 3x2

  Time machine laboratory (2)

• 3x3

  Zombie factory (1)

• 3x4

  Zombie factory (2)

• 3x5

  Dark villa (1)

• 3x6

  Dark villa (2)

• 3x7

  Achaland (1)

• 3x8

  Achaland (2)

• 3x9

  Bread factory (1)

• 3x10

  Bread factory (2)

• 3x11

  Mysterious bunker

• 3x12

  Back to the gyeongseong

• 3x13

  Season 3 review

Episodes season 4

• 4x1

  Back to the ahan i

• 4x2

  Back to the ahan ii

• 4x3

  Luckyland i

• 4x4

  Luckyland ii

• 4x5

  Jeoksong prison i

• 4x6

  Jeoksong prison ii

• 4x7

  Crazy house i

• 4x8

  Crazy house ii

• 4x9

  3rd industrial complex i

• 4x10

  3rd industrial complex ii

• 4x11

  Haneul shelter i

• 4x12

  Haneul shelter ii

• 4x13

  Behind the scenes special

Episodes season 5