This episode aired on 11/11/18. We continue with the show's anniversary and Teams Jeju and Paektu. Team Jeju does some sightseeing around the island, while Team Paektu start their climb up Mount Paektu to Heaven Lake. We also get a video call with Song Ilgook and a video update of the triplets.
source: KBS World TV 1 2 3 4 5 6