"Sign Here" is the second challenge in the first episode of Season One, "Pay It Forward". The guys had to get people to sign their fake petitions. If they got one or more signatures, they win. If they get none, they lose
Murr-Got no signatures on any petition, one of his petitions was "Enough With This Rain Already".
Q-Got no signatures either, one of his petitions was "The Public Bathroom Masturbation Act".
Sal-Got 3 signatures on each of his petitions, his most well-known is "Petition Against That Bitch Irene".
Joe-Got one signature on the petition "Ban Camel-Toe". He had other petitions but they were rejected by strangers.