The Flintstones S05E20 - Moonlight and Maintenance

After visiting luxury apartments, Fred decides he wants to live there, so he moves with Wilma and Pebbles. In order to pay for the place, Fred takes a job at the apartment complex moonlighting as a janitor. Fred finds that working two jobs is too hectic, and when Fred's boss, Mr. Slate, moves into Bedrock Towers, he must try to hide from Mr. Slate that he is moonlighting.