* DawsonCasting: The character of Charlie Baker was supposed to be in high school (most likely a junior or senior), but the actor who played him, [[Series/{{Smallville}} Tom Welling]], was 26 when the film was shot and didn't look young enough to be 17.
* ThrowItIn: It was Steve Martin's idea for the kids' prank to be soaking Hank's underwear in meat.
* WhatCouldHaveBeen: [[http://www.mtv.com/news/3000337/cheaper-by-the-dozen-kevin-schmidt-interview/ According to Kevin Schmidt (Henry)]], Bonnie Hunt wrote a draft for the first movie that was more in line with the book and 1950 film, but was ultimately scrapped as Fox wanted a light-hearted family comedy.
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