The Flintstones - Dr. Sinister

Seizoen: 5 - Aflevering: 8 / 124 - Eerst uitgezonden: 05 november 1964 - Episode ID: 297839

Fred and Barney are suddenly thrust into an international spy plot involving a mysterious stranger who passes them an envelope, then beautiful spy Madame Yes, and Dr. Sinister, a villain who seeks world power. The two escape the villains and their nefarious plot, but once home, their wives refuse to believe the wild tale.