Season 4

01 Episode 1 (Incheon International Airport, Culture Tank) Episode 16th June 2020 Incheon International Airport, Culture Tank 02 Episode 2 (Daegu) Episode 213th June 2020 Daegu (Keimyung University Dongsan Medical Center, Keimyung University Daemyeong Campus, Suseong Pond) The cast split into 2 teams in the day, namely: Cr-Reem-Lee (Lee So-ra, Hareem, Crush) Sunshine Band (Henry, Lee Su-hyun, Jukjae, Jung Seung-hwan) 03 Episode 3 (Daegu) Episode 320th June 2020 Daegu (Suchang Youth Mansion, Daegu Stadium) Crush temporarily leaves the cast after this episode 04 Episode 4 (Gangwon-do) Episode 427th June 2020 Gangwon-do (Sokcho Deungdae Beach, Sokcho H Cruise) Lee Hi joins the cast 05 Episode 5 (Gangwon-do) Episode 54th July 2020 Gangwon-do (Gangneung Movie Village, Pyeongchang-gun Mountain Cinema) Lee So-ra leaves the cast after this episode 06 Episode 6 (Gyeongsangbuk-do) Episode 612th July 2020 Gyeongsangbuk-do (Pohang Steel Mill, Andong Woryeonggyo Bridge) Sohyang joins the cast, Lee Hi leaves the cast after this episode 07 Episode 7 (Busan) Episode 719th July 2020 Busan (Cheongsapo Port, F1963, Songdo Beach) Special performers: Lee Nau (Purple Rain), Hong Jin-ho (Hoppipolla) 08 Episode 8 (Jeonju, Jeollabuk-do) Episode 826th July 2020 Jeonju, Jeollabuk-do (Jeonbuk National University, Jeonju Nambu Market Youth Mall, Gyeonggijeon) Crush returns to the cast Special performer: Lee Nau (Purple Rain), Park Da-som (Dancer) 09 Episode 9 (Seoul) Episode 92nd August 2020 Seoul (Mokdong Ice Rink, Seoul Botanic Park) 10 Episode 10 (Seoul) Episode 109th August 2020 Seoul (Camping in the City by Walkerhill, Seoul Marina Club & Yacht) Lee Hi rejoins the cast Special performer: Hong So-jin