Banned in China: Daniel Handler was hoping for some of this, and was disappointed in how little it happened. His one real "victory" was that the books were banned from a school in Georgia due to Olaf's plan to marry his distant relative/adopted daughter Violet in book one, to which he responded "I'm at a loss as to how to write a villain who doesn't do villainous things".
The Cast Showoff: Parodied in the trailers for the film, where Jim Carrey is credited three times in less than three seconds for each of Olaf's disguises.
Cowboy BeBop at His Computer: A website identified goth-girl fashion icons Emily the Strange and Ruby Gloom as characters; and numerous pages — including at least one on this very wiki — call Lemony Snicket: The Unauthorized Autobiography something like "The Unofficial Biography". A preview of The Beatrice Letters claimed that the punch-out letters in the book spelled out the "real" title of the thirteenth book ... Nope. Similarly, every preview of The Beatrice Letters claimed that the punch-out letters would spell out two different secret messages, but if there is a second one, it's nothing more than a Red Herring.
Dawson Casting: Averted in both the film and the upcoming TV Series- Emily Browning and Liam Aikan were both only a year or so older than their characters in the film, and a recent worldwide casting call released by Netflix gives a 9-13 age range for actors interested in playing Violet or Klaus.
Meaningful Release Date: The 13th and final installment was released on Friday, October 13 - a release date which was announced on Friday, January 13 of the same year. Thirteen is the series' Arc Number (There are thirteen books, thirteen chapters in each book, not to mention the fact that the number thirteen appears in almost every page in The End) because of the "unlucky thirteen" thing. (With Friday the Thirteenth essentially being "bad luck day")
Shrug of God: The fans can't get anything out of Daniel Handler.
Throw It In: In the film adaptation, in response to Klaus saying "Our parents just died," Count Olaf says, "Ah yes, of course. How very, very awful. Wait! Let me do that one more time. Give me the line again! Quickly, while it's fresh in my mind!" The dialog was supposed to end after Klaus says "Our parents just died", but Jim Carrey felt he didn't get the reaction right. Director Brad Silberling just kept the cameras rolling and Carrey ad-libbed without breaking character.
Word of Gay: Sir and Charles, in a very brilliantly downplayed example. In The Miserable Mill, we are led to believe that they are simply business partners with an extremely lopsided distribution of power, with Charles being too meek to put his foot down to the more domineering Sir's cruel actions. They show up again in The Penultimate Peril, and the conversation the Baudelaires overhear is a lot more tender, with Charles timidly telling Sir that he cares about him, and trying to get Sir to reciprocate. When the hotel burns down, they're holding hands "so they don't lose each other in the blinding smoke". Then this (paraphrased) line from one of Lemony Snicket's love letters in The Beatrice Letters seals the deal: "I will love [Beatrice] until C realizes that S is unworthy of his love."