Trivia: This episode served as the backdoor pilot for The Girl from U.N.C.L.E.. April Dancer was initially played by Mary Ann Mobley, but was replaced by Stefanie Powers when the series began airing regularly.
Trivia: David McCallum recalls that in this episode, when Illya was supposed to drive a fork lift down a corridor and stop, he accidentally hit the accelerator instead of the brake, crashed through a wall and demolished the set. While he and Robert Vaughn found it a source of much hilarity, MGM's "bean counters" were reportedly not at all amused.
Trivia: On their plane ride to Transylvania, Napoleon and Clemency watch a movie called One Spy Too Many. This is actually the title of a theatrical U.N.C.L.E. movie which combined the "Alexander the Greater Affair" episodes and added in a new subplot. The film is included as a special feature on the season 2 DVD.
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.
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