Finally, the first-ever comedian duo battle of "Documental" has begun! It's safe if you laugh at your partner's tricks, but if either of you laughs at an attack from another, the duo is out due to the joint responsibility rule. Whether being in a duo will be a blessing or a curse... In the unpredictable early stages of the battle, one duo has already taken a bold move with their perfectly synchronized skit! (thetvdb.com)