Deliberate mistake: In scenes at U.N.C.L.E. headquarters, the badge on Napoleon's lapel has the number 11 on it instead of the number 2, implying that Napoleon is in the wrong section. This is actually because during filming, Robert Vaughn believed that the number was "2" in Roman numerals (e.g. "II").
The Pieces of Fate Affair - S3-E23
Deliberate mistake: Because lawyers for real-life review columnist Judith Merrill were not amused by the parody of her and sued, the name Judith Merle is very obviously dubbed over throughout the episode (and changed in the credits) to Jody Moore. (00:32:50)
Answer: He must have ridden in an Eaton's store elevator while he was in Canada at some point. For some reason, this elevator reminds him of it. The show's original concept had Solo being a Canadian, so this may be a minor nod to that fact.
raywest ★