Explorers of the Human Body

Archery (1x11)

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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