Simple Plan and the Invisible Madman

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Simple Plan and the Invisible Madman
Invisible Madman
What's New, Scooby-Doo?
US Air date March 22, 2004
Written by George Doty IV
Directed by Swinton Scott
Previous episode

Large Dragon at Large

Next episode

Uncle Scooby and Antarctica

Simple Plan and the Invisible Madman is the eleventh episode of the second season of What's New, Scooby-Doo?, and the twenty-fifth episode overall in the series.


En route to a rock festival, the gang runs into Simple Plan. As both their vans are wrecked they have to spend the night at a nearby ghost town. And worse yet it soon becomes obvious that something invisible is out to get Simple Plan. And even worse for Velma, Gibby Norton is also present in the ghost town.


Insert details here.

Cast and characters

Actor Character
Frank Welker Scooby-Doo
Fred Jones
Invisible Madman (uncredited)
Casey Kasem Shaggy Rogers
Grey DeLisle Daphne Blake
Mindy Cohn Velma Dinkley
Laura Bailey Eve De La Faye
Eddie Deezen Gibby Norton
Tom Kenny Jack Hunter
Vince Corrazza Zeke Zillion
Pierre Bouvier Himself
Jeff Stinco Himself
Sébastien Lefebvre Himself
David Desrosiers Himself
Chuck Comeau Himself


Song Credits Performed by
"You Don't Mean Anything"
"The Worst Day Ever"
Credits Simple Plan


  • Invisible Madman/Zeke, Jack, Gibby, & Eve


Suspect Motive/reason
Zeke Zillion None given until the reveal.
Jack Hunter He appears everywhere in the town.
Gibby Norton He was the culprit at his last appearance.
Eve De La Faye At one point she was the only person who had never been present during one of the Invisible Madman attacks. She was also attempting to keep the gang away from a mysterious piece of fabric.


Culprit Motive/reason
Zeke Zillion as the Invisible Madman
Jack Hunter as the Invisible Madman
Eve De La Faye as the Invisible Madman
Gibby Norton as the Invisible Madman
So their band could replace Simple Plan at their concert.


  • Montreal, Canada
    • Huntersville
      • Inn
      • Diner
      • Hunter Computer Labs
      • Bank
      • Eve De La Faye's home
      • Garage
      • WcCraken
      • Boidog Jack's Sled Rentals
      • Beauty Salon
    • Music festival


Animation mistakes and/or technical glitches

  • None known.

Inconsistencies/continuity errors and/or goofs/oddities

  • While Shaggy, Scooby, Seb, and David are exploring the bank, David and Seb's voices get switched. The Invisible Madman then attacks, and their voices go back to normal.
  • Right after David gets kidnapped by the Invisible Madman, the scene shifts to the group of Fred, Daphne, Velma, Pierre, and Chuck, who are following the Invisible Madman's footprints. However, in the first wide shot of the group walking, Chuck is not there. Instead, David, who was just kidnapped in the previous scene, is there instead. After a few close ups of Fred and Velma talking, David is no longer in the wide shot and Chuck is back.
  • It is never explained how the Invisible Madman was able to kidnap Jeff, who is quite physically fit, and take him to the bank vault without there being any signs of a struggle, without anyone noticing, and without leaving any sort of tracks behind in the snow leading to the bank.
  • Had the foursome been successful, they would have kidnapped all the members of Simple Plan, locked them in the bank vault, and left to go to the music festival, where they planned to take Simple Plan's place. Festivals generally last a few days. The band was locked in a bank vault, which generally don't contain air holes. Five adult males in a vault that size would likely last about 1 day at most. In other words, had the foursome been successful, all five members of Simple Plan would have suffocated.
    • And even if there happened to be a means for airflow in this particular bank vault for whatever reason, from what can be seen in the episode the foursome did not leave any food or water for the band, nor did they leave any blankets or any other means of warmth. This means that Simple Plan would have spent multiple days locked in a bank vault without access to food, water, or any way to keep themselves warm. Even if they survived the ordeal, by the time the band members were rescued or released they would be in serious condition.
  • It is never revealed whether or not Zeke, Jack, Gibby, and Eve will be arrested or face any sort of consequences for their crimes.
  • The electrical shock Zeke receives at the end of the final chase would have killed him in real life.
  • When the gang and Pierre find the mysterious fabric in Eve's cabin, (which is later revealed to be the fabric Eve designed for the invisible suit), Shaggy notes that he can see himself in it. This means that the fabric is reflecting light. This would not make the wearer of the invisible suit invisible; It would actually turn them into a human mirror.

In other languages

Language Name Meaning
Greek Οι Simple Plan και ο Αόρατος Τρελός Simple Plan and the Invisible Madman
ِArabic الرجل الخفي The Invisible Man

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