Season 4
Episodes
1. Episode 1 (Incheon International Airport, Culture Tank)
Incheon International Airport, Culture Tank
2. Episode 2 (Daegu)
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)
3. Episode 3 (Daegu)
Daegu (Suchang Youth Mansion, Daegu Stadium) Crush temporarily leaves the cast after this episode
4. Episode 4 (Gangwon-do)
Gangwon-do (Sokcho Deungdae Beach, Sokcho H Cruise) Lee Hi joins the cast
5. Episode 5 (Gangwon-do)
Gangwon-do (Gangneung Movie Village, Pyeongchang-gun Mountain Cinema) Lee So-ra leaves the cast after this episode
6. Episode 6 (Gyeongsangbuk-do)
Gyeongsangbuk-do (Pohang Steel Mill, Andong Woryeonggyo Bridge) Sohyang joins the cast, Lee Hi leaves the cast after this episode
7. Episode 7 (Busan)
Busan (Cheongsapo Port, F1963, Songdo Beach) Special performers: Lee Nau (Purple Rain), Hong Jin-ho (Hoppipolla)
8. Episode 8 (Jeonju, Jeollabuk-do)
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)
9. Episode 9 (Seoul)
Seoul (Mokdong Ice Rink, Seoul Botanic Park)
10. Episode 10 (Seoul)
Seoul (Camping in the City by Walkerhill, Seoul Marina Club & Yacht) Lee Hi rejoins the cast Special performer: Hong So-jin