The Flintstones S02 E19 Wilma's Vanishing Money

"Yabba Dabba Doo!"

While searching for a hairpin to fix the toaster, Fred finds a secret stash of cash that has been hidden by Wilma. To teach her a lesson, he uses the money to buy a new bowling ball, unaware that Wilma has been saving up to buy him the same ball as a birthday present.