The Flintstones - Season 5, Episode 20: Moonlight and Maintenance
Trailer
The fifth season starts as Inventor Fred comes with a weight-loss dose that will change course, significantly reducing Fred's size. Taking advantage of the strange situation, things turn to a different path where Barney continues in 'The Ed Slystone Show'. It seems that Barney's participation will be a pioneer in the field of breathing, but for Fred, who will act as a puppet for him.