Character mistake: When Andy and Barney are looking through the yearbook, Barny's middle name is Milton. But Barney says many times throughout the series that his name is Bernard P. Fife.
Character mistake: Thursday 10th July. In conversation in the Rovers Gail (Helen Worth) calls Michael (Les Dennis) Les, not Michael.
To Walk with the Serpent - S2-E14
Character mistake: Westerbrook deliberately burns his own right hand in the ceremonial flame. But at the end of the episode, he says, "I gave my left hand for the cause."
Character mistake: In "Movie Maniacs," the Three Stooges arrive in Hollywood via train, sneak into a movie studio and walk onto the set of a movie being filmed. A starlet looks at Curly and says, "Oh, Mr. Howard." There is no way she could have known his name.