The four rules are as follows: 1. Don't be alarmed. Ignore the switch between songs, 2. On point dance moves and synchronization is a must~ dance along to the new track, 3. Five chances in total! Minus 10 points for every mistake, 4. Get an additional 50 points for completing the bonus mission.
Will they be able to beat the "Know-All-Beat" challenge? Check out the video above.