The Jetsons season 2 episode 32
Future Tense
In an alien shopping gallery, Jane Jetson unwittingly buys sunglasses that allow whoever is wearing them to see into the near future. When George Jetson finds this out, he decides to take his wife to the space-horse races, to make a little extra money off of Jane's ability to see which space-horse will come in first. Will George's idea succeed, or is he playing with fire?