Not everyone a caveman encounters in the future will be helpful, sympathetic, or even patient. Some will be downright menacing.


(as William Idelson), (as Samuel Bobrick)

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Episode credited cast:
Fred Flintstone (voice)
Jean Vander Pyl ...
Barney Rubble (voice)
Rest of cast listed alphabetically:
Guard / Columbus / Knight / Clerk (voice)
Gerry Johnson ...
Betty Rubble (voice)
Don Messick ...
John Stephenson ...
Attendant / Tiberius / Nero / Arthur / Astronomer / Cop (voice)
Doug Young ...
Hippo / Duck / Lionosaurus #1 / Sailor / Squire (voice)


The Flintstones and the Rubbles have a good time at the Bedrock World Fair. They visit a science exhibit where a professor explains that he has build a time machine to travel them through future. The foursome has visited and have its share of adventures in the Roman Times with Emperor Nero, on the Santa Maria with Christopher Columbus, the Medieval Times with King Arthur, Philadelphia with Benjamin Franklin and the New York's World Fair of 1964 ! Written by RealLiveClaude

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Release Date:

15 January 1965 (USA)  »

Company Credits

Show detailed on  »

Technical Specs

Sound Mix:

Aspect Ratio:

1.33 : 1
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Did You Know?


The Flintstones and the Rubles visit the Bedrock World's Fair and the 1964-5 New York World's Fair via a time machine. See more »

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