The Flintstones: Season 4, Episode 2

4 - 2: Gloom Groom

Arnold the paper boy continues to annoy Fred as he is playing with Pebbles. He jokes that they will get married when they grow up. Fred then has a bad dream that Arnold grows up, becomes the local hero, takes his job at the quarry, his pride as a pool player and bowler, his friendship with Barney, and of course, marries Pebbles.