Halloween Special Flashback: Marc Summers' Mystery Magical Tour 981 Whitney Jefferson 10/30/10 12:55PM Filed to: Retro Retro Halloween Specials Marc summers Shirli appleby Jonathan brandis Kids Wtf TV tweet Video We bet you had completely forgotten this gem of a Halloween special from the early 90s featuring a very-young Shirli Appleby, Jonathan Brandis, and everybody's favorite OCD-laden Double Dare host. You can thank us later — or not.Part two:Part three:[Thanks to Jack for the tip!]