The most athletic and toughest stars have come to the show. Jung Chan Sung shares his experiences as a UFC fighter. Choi Yeo Jin shows us her exciting Zumba demonstration. Julien Kang attempts to crush a watermelon with his bare hands. Ahn Il Gwon claims that he is the best fighter amongst all celebrities. Jang Jin Hee talks about her experience with “Extreme Job”. Yang Chi Seung demonstrates great exercises that can be done at home. Stay tuned!