Synopsis:
The Trio are bored with their usual antics and decide to start scaring insects, so they trick Casper into getting them some pills that will shrink them to tiny size.
Synopsis:
Casper shrinks himself with the pills so that he can go after the Trio and try to stop them. He meets several insects and small creatures along the way and gets an idea.
Synopsis:
Casper meet the elusive Will-o-the-Wisp, who helps him annoy the Ghostly Trio into behaving themselves. Later, Casper throws out the shrinking pills.