Character mistake: Rob is telling Laura about how Buddy and Sally work he says "Sally is the only one who can type with all her fingers." Yet Rob can type with all his fingers and doesn't say anything about that.
The Dick Van Dyke Show (1961)
1 mistake in Talk to the Snail - chronological order
Starring: Dick Van Dyke, Mary Tyler Moore, Morey Amsterdam, Larry Mathews, Rose Marie
Laura Petrie: You wanna end up another Dwight Heatherton, go ahead.
Rob Petrie: Who's that?
Laura Petrie: Dwight Heatheron happens to be an excellent writer who is unknown because he gets no publicity.
Rob Petrie: Then how do you know him?
Laura Petrie: Oh Rob, he's famous.
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