In an attempt to cure Barney's hiccups, Fred offers his friend a swig from an experimental soft drink he has formulated. The brew turns Barney invisible, and Fred's elaborate attempts to hide the fact make Wilma wonder about her husband's sanity.
Elenco:
Mel Blanc
,
Alan Reed
,
Jean Vander Pyl
,
Bea Benaderet
,
John Stephenson
,
Daws Butler
,
Gerry Johnson
,
Don Messick
,
Hal Smith
,
Howard Morris
,
Doug Young
,
Henry Corden
,
Harvey Korman
,
Allan Melvin
,
Jerry Mann
,
Don Messick
.