Sites: Incheon Natural Park, Moouido (where Stairway to Heaven was filmed, then in a luxurious dormitory by the ocean) /// Guest: none /// Mission: Running High School goes on a school field trip to Muui Island and there they need to eliminate the zombies in order to win. / Stage 1: Each running man has to carry a different mission: play 'Alkkagi' with a grandfather and win, ring the bell at the history center, do a solo dance and shout out 'Ho Oh!'... / Stage 2: Find the R marked pieces of paper to complete the puzzle. During those two first missions, they all receive something from a mysterious high school girl, which will come in handy later on. / Final stage: Find the hidden treasures in the building. They soon discover the treasures actually are weapons against zombies.