User blog comment:Sprinklemist/The Seventeenth Worst of the Worst/@comment-1228137-20120521112636/@comment-4353921-20120521223101

I always figured Fred did that since he KNEW that Shaggy and Scooby would find the ghost/villain/monster/thing, and come screaming back to the threesome with the "it" in tow. End of episode. xDDD

Exactly, Brandy! :D :P