The Backpacker Chef Season 1 Episode 5 The 1st Infantry Division, Ilwolseong Battalion ( Air Date 2022-06-23 ) Genre Reality category. Overview "The members receive another request sheet from a military base. This time, they must cook for 400 people. Since they had a hard time cooking for 300 people last week, a special guest joins the members to help. This guest shows off his cooking skills as he used to cook with Jong Won. Meanwhile, Dae Hwan makes a mistake while making coleslaw.".