all the characters were going on a birthday adventure in Africa when the storm comes they hide in the cave where it was inhabited by ghosts, goblins, skeletons, trolls, demons, and other creatures led by a walrus-like apparition (voiced by Calloway), who sings "Minnie the Moocher" and dances to the melancholy song. they escaped from those strange and creepy things in the cave and find a house to sleep here for the night.
