ATRAB 2 NITE: Randy Moss

Originally Posted by Samm

if you read further someone else said they use electrical shock to make mr. ed talk... ouch!!

The official Mr. Ed site on AOL said that they used peanutbutter to make those mouth movements. Didn't specify whether it was smooth or chunky.
They also have a sound clip of the song for the show if you want to have some laffs on the show.