SEE ALSO: LE SSERAFIM's Sakura unable to attend schedules today due to poor health

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?