* AdoredByTheNetwork: It seems Creator/CartoonNetwork can't go a month without showing one of the films at some point.
* CreatorCameo: Jeff Kinney plays Holly Hills' father.
** And the director of the last two movies appears in a newscast in the third.
* DawsonCasting: Lots of high schoolers playing preteens in the movie, which makes the idea of them being in middle school ''very'' unrealistic.
** To the point the third movie was rushed in production so the actors could be used one last time, before they officially got too old to pass as early teens.
* DevelopmentHell: In late 2012, it was announced that an animated 30-minute TV special of "Cabin Fever" was in production, and set to be released in late 2014. It's been well over a year since it was supposed to be released, and nothing has been heard from it since.
* FollowTheLeader: There's no denying that the amount of book series that starting popping up after ''Wimpy Kid'' came out and blew up based around middle schoolers' journal entries combining words and drawings was ''definitely'' not a coincidence.
* NamesTheSame: Dr. Salazar Kagan, Greg's dentist, while {{depraved|Dentist}}, was [[Franchise/HarryPotter not responsible for founding Hogwarts or opening the Chamber of Secrets.]]
* TechnologyMarchesOn: In the webcomic, Manny breaks Greg's Walkman by stuffing a cookie in the cassette slot. The novel changed it to a video game system.
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