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Whatever happened to Sam, Diane and the whole bar gang?

Dead last in the ratings and nearly canceled after its first year, 'Cheers' went on to become one of the most successful sitcoms in history.

From Sam and Diane's stormy romance to the bar wars with Gary's Olde Towne Tavern, viewers kept tuning in -- and made the series ender one of the most-watched finales in TV history.

We revisited the happy half-hour at the bar where everybody knows your name to find out what the regulars have been up to since Sam's joint was shuttered 15 years ago.