f(x) has released the preview for their upcoming reality show 'f(x)=1cm'.

In the trailer, the four f(x) members can be seen scaring and surprising their fans, who seem completely speechless. As previously mentioned, 'f(x)=1cm' is going to be airing for 4 days with 2 episodes per day for 8 episodes from November 10 to the 13th. The episodes will be airing through NaverTV as well as China's Youku. 

Stay tuned! What do you think of the teaser so far?