Explorers of the Human Body

Archery (1x11)

Air date: Jan 20, 2008

Absentees: Han Geng and Siwon (second half of the show) - Two team separation (One to shoot moving target and Two to catch/deflect an arrow) - Team One: Heechul, Kangin, Shindong, Kibum, Kyuhyun, Siwon - Team Two: Leeteuk, Yesung, Sungmin, Eunhyuk, Donghae, Ryeowook