Quote Originally Posted by Hermod View Post
After robbing the stagecoach of its root beer, the villain says "when they ask, which way did he go, which way did he go? Just say he went for Fay-ay-ay-ay-go, Faygo Old-Fashioned Root Beer!"
1953 Faygo Kids Commercial link to Black Bart at page bottom.

There may be some more early commercials on the kidshow site