The Flintstones - Barney the Invisible

Seizoen: 3 - Aflevering: 3 / 63 - Eerst uitgezonden: 28 september 1962 - Episode ID: 297780

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.