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.
| Creator | William Hanna |
|---|---|
| Actor | Alan Reed, Mel Blanc, Jean Vander Pyl |
| Country | United States of America, Netherlands |
| Production | Hanna-Barbera Cartoons |