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The New Scooby-Doo Mysteries - E*I*E*I*O

Seizoen: 1 - Aflevering: 24 / 24 - Eerst uitgezonden: 24 november 1984 - Episode ID: 553415

The kids head over to the Experimental Institutde for Evolution Improvement of organism, also know as EIEIO, to help Mr. McDonald, the director, discover who is creating monsters with the secret formula that he developed to create large amounts of food.