The Legends of Malsupresube

 is a American animated series produced by Powells Films Inc. and that aired on the RKO Network on Saturday mornings from July 13, 1985 to August 22, 1987.

The first two seasons of 65 episodes aired from 1985-1986 with a extra season of 20 episodes aired in 1987, totaling 85 episodes.

The show focuses on three siblings who investigate the mysterious world of Malsupresube (taken from the Esperanto word "Malsupre sube" = "Down beneath" in English).