Cheers - Full Series Information, Trailer & IMDb Reviews
Watch Cheers Season 1 Episode 21 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Sam's brother, whom he feels inferior to, shows up at the bar and sweeps Diane off her feet. Sam doesn't want her to go off with him because he wants her for himself, but he doesn't have the guts to admit it.