S4 E1: Back To The Ahan I

S4 E2: Back To The Ahan II

S4 E3: Luckyland I

S4 E4: Luckyland II

S4 E5: Jeoksong Prison I

S4 E6: Jeoksong Prison II

S4 E7: Crazy House I

S4 E8: Crazy House II

S4 E9: 3rd Industrial Complex I

S4 E10: 3rd Industrial Complex II

S4 E11: Haneul Shelter I

S4 E12: Haneul Shelter II

S4 E13: Behind The Scenes Special