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The New Scooby-Doo Mysteries

E*I*E*I*O

E24    Nov 24, 1984    TV-Y7
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The gang heads to old MacDonalds experimental farm discovering a giant genetically created mouse doesn't want them snooping around.
Where to Watch E*I*E*I*O
Cast of E*I*E*I*O
  • Casey KasemShaggy Rogers (voice)
  • Heather NorthDaphne Blake (voice)
  • Don MessickScooby-Doo / Scrappy-Doo (voice)
  • Frank WelkerFred Jones (voice)
  • Marla FrumkinVelma Dinkley (voice)

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