Signs!. Blue is trying to tell Steve something and in order to tell him, she decides to use a sign. It turns out that signs are all around us, in fact, Blue's Clues is a game of signs in a way. We help out Pail in this episode when Shovel posts signs to help find him. We learn all about ""don't"" signs as well as signs that give directions for locations. In the Blue Skiddoo segment, we find a girl named Carly whose telling a story in sign language and we help Steve with some of the signs that he's having trouble figuring out.