Some of Korea's biggest idols gathered at a diving pool to take part in a breathtaking competition versus the cast of 'Barefoot Friends'!

Idol competitors included: 2PM's Junho, Nichkhun, Wooyoung, Taecyeon, and Jun.K, 2AM's Jo Kwon, SISTAR's Soyu, Dasom, Hyorin, and Bora, INFINITE's Dongwoo, Woohyun, L, Sungjong, and Hoya, MBLAQ's Lee Joon, and finally, Rainbow's No Eul, Jaekyung, Woori, and Yoonhye�(phew!).

SEE ALSO: 2NE1 celebrates their 15th anniversary with a special photoshoot

The idols' diving skills ran the gamut, from absolutely, depressingly, shockingly, and hilariously horrible ... to the downright jaw-dropping.

The competition will continue next week with Super Junior's Eunhyuk taking the plunge from the highest tower, so don't forget to tune in next week as well.

Chances are one of your favorite idols are in this episode, so don't forget to check it out below!