What year did the tv slogan beef air on tv?

The TV slogan "Beef" wasn't a slogan for a specific television show or campaign. It's likely you're thinking of a different phrase or campaign.

Could you please provide more context or details? For example:

* What was the slogan related to? Was it a TV show, a product, or a social campaign?

* Do you remember any other words in the slogan or any specific details about the show or campaign?

With more information, I can help you pinpoint the year you're looking for.