The Flintstones: Season 6, Episode 15

6 - 15: How to Pick a Fight with Your Wife Without Really Trying

Gazoo convinces Fred to do a Monopoly game with Wilma to spice up their relationship for "togetherness" in their marriage, but things make a turn for the worse when they begin to fight, and Fred decides to stay with Barney, and Wilma stays with Betty until they can make up.