The Last Picture Show - S11-E18
Corrected entry: In this episode, it's stated that Sam bought the bar from Gus O'Malley. However in "Sam's Women" (season 1), when a man comes in looking for "Gus," Norm says that Gus was two owners ago.
Cheers (1982)
1 corrected entry in season 11
Plot hole: At closing time, Cliff, Norm and Woody spontaneously decide to go to Cliff's house. Sam then enters the bar after his date at Melville's. Later in the scene, Rebecca asks Sam about the 'Three Stooges', to which Sam sarcastically replies that they went to Cliff's house. But how could he possibly know that since he entered the scene after they had already left.
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Suggested correction: He saw them outside; it just wasn't shown.
Trivia: The portrait of Geronimo hanging in the bar was a tribute to Nicholas Colasanto after he died. The portrait originally hung in his dressing room.
The Improbable Dream (2) - S8-E2
Question: Rebecca tells Carla that "bitter little East Coast jokes" can't bother her today. What is an "East Coast joke"?
Answer: Rebecca is from Los Angeles originally, and has just spent several days on the U.S. west coast on the private jet of wealthy businessman Robin Colcord, shopping and having a makeover in Beverly Hills. She is implying that Carla is making jokes about her because as an "East Coaster" (Carla is from Rhode Island and lives in Boston), Carla is bitter and jealous over how glamorous "West Coasters" like Rebecca are.
Correction: Who's to say that there wasn't a Gus who owned the bar at the time in question? Norm is a heroic beer drinker - he could easily be drunk enough to confuse two people with the same forename.