![The New Scooby and Scrappy-Doo Show](https://image.tmdb.org/t/p/w300/hKZL0OVHfKxuCPnhhCQl7nVkPRf.jpg)
The New Scooby and Scrappy-Doo Show - Season 2 Episode 24 E*I*E*I*O
While the gang goes on mysteries on a countryside at Old MacDonald’s E.I.E.I.O. (Experimental Institute for Evolutionary Improvement of Organisms). A genetic experiment on a field mouse making it a thirty-foot tall monster mouse and terrorize his farm.
- Genre: Animation, Mystery, Family, Comedy, Kids
- Studio: ABC
- Keyword: criminal investigation
- Cast: Casey Kasem, Heather North, Don Messick