Cheers - Season 9 Episode 23 -

Rebecca is on a healthy eating kick and is trying to convince others in the bar to join her. Meanwhile, Lilith is in mourning as her favorite lab rat, Whitey, has died. Sam is also in mourning, but is mourning the loss of a beautiful woman, who he never really had since she is rebuking him. But Sam finds out what he believes to be the incredulous reason for her rebuke.