Season 4
Episodes
1 Back To The Ahan I Jul 11, 2021 
2 Back To The Ahan II Jul 18, 2021 
3 Luckyland I Jul 25, 2021 
4 Luckyland II Aug 1, 2021 
5 Jeoksong Prison I Aug 8, 2021 
6 Jeoksong Prison II Aug 15, 2021 
7 Crazy House I Aug 22, 2021 
8 Crazy House II Aug 29, 2021 
9 3rd Industrial Complex I Sep 5, 2021 
10 3rd Industrial Complex II Sep 12, 2021 
11 Haneul Shelter I Sep 19, 2021 
12 Haneul Shelter II Sep 26, 2021 
13 Behind The Scenes Special Oct 3, 2021