There are three small pink snails hidden throughout each episode.
In 1998, rumors started circulating that former host Steve Burns had died following drug-related problems. The rumor became so serious that Burns appeared on "The Rosie O'Donnell Show" (1996) to reassure his young audience that he was alive and well.
Blue was originally going to be a cat, but they changed it because there was already a Nickelodeon show starring a cat.