In the season 2 finale Hello, Goodbye (1984), Jack Morrison is seen showing his son Pete around the Boston commons area. They stop for lunch at the Bull and Finch tavern, the real life inspiration for the fictional "Cheers" bar. The sign reads Bull and Finch, but references the hit show. This illustrates that "Cheers" is not a real place.
In this season 3 finale, an entire scene that takes place at "Cheers" (not the Bull and Finch), complete with appearances from characters of that show.
In this season 3 finale, an entire scene that takes place at "Cheers" (not the Bull and Finch), complete with appearances from characters of that show.
When the camera is following Norm around the bar to his seat, the (extremely) bright set lights are briefly seen above Norm's head due to the angle of the filming.