When the Flintstones and the Rubbles pay a visit to the science exhibit, they meet Professor Einstone who's been working on a lot of wacky inventions for many years, but little does he know that while he was away, his inventions were already invented by other people.
| Creator | William Hanna |
|---|---|
| Actor | Alan Reed, Mel Blanc, Jean Vander Pyl |
| Country | United States of America, Netherlands |
| Production | Hanna-Barbera Cartoons |