Useless Facts is an Animaniacs short that premiered on November 18, 1993. It is hosted by Yakko and only featured in one episode.
Yakko tells the viewers about various useless yet true facts, like how termites can live to be up to fifty years old, how a shrimps's heart is in its head, how many words Eskimos have for ice and if starfish have brains.
Useless Facts isn't considered to be an official Animaniacs short, mainly because it only premiered once. Since this a Thursday short, it is considered special by fans.