The Flintstones S04 E11 Kleptomaniac Pebbles

"Yabba Dabba Doo!"

In a jewelry store to buy a birthday gift for Wilma, Fred and Pebbles unknowingly encounter jewel thief Baffles Gravel, who plants a priceless diamond bracelet on Pebbles. After finding the hot ice, Fred and Wilma try to get it back to the store before Pebbles ""crime"" is discovered.