The Jetsons Wiki

The Flintstones at The New York World's Fair is a comic book from Western. The issue date is 1965 and the cover price is twenty-five cents.

Jetsons Stories

The Lost Time I Saw Pebbles

Starring: The Flintstones
Cameo: The Jetsons
Summary: The Flintstones use their giant bird to fly them to the World's Fair. The Jetsons help them find a place to park. When they return from their excursion, George complains that the bird has eaten his flying car!