* FanNickname: "K. Ron" (after L. Ron Hubbard) for Kristy and "[=BSCult=]" have become popular on some snark communities.
* NamesTheSame: Two characters are named Sabrina Bouvier - a child beauty queen that BSC meets in ''Little Miss Stoneybrook ... and Dawn'', and later a classmate at SMS.
** {{Lampshaded}} in ''Here Come the Bridesmaids!'' where the narrator acknowledges that both the [=BSC=] and the W♥KC have a regular sitting charge named Ryan [=DeWitt=], and no, they're not related.
* ShoutOut: ''The Truth About Stacey'' is dedicated to Dr. Claudia Werner. The series features characters named both "Claudia" and "Dr. Werner." The Perkins family is also believed to be based on friends of the author's; at one point, it's noted that they own a lot of children's books because they have a friend who writes and edits them.
* TechnologyMarchesOn: A big deal is always made of Claudia having her own phone line for them to use as the Babysitters Club number. Nowadays they'd probably all have cell phones.
* WhatCouldHaveBeen: A planned spin-off would have been called ''Morbidda Destiny, Teenage Witch'', based on Karen's belief that her elderly neighbor Mrs. Porter was a witch whose real name was Morbidda Destiny; but the idea didn't do well with test groups and was scrapped.

!!The Movie
* CaliforniaDoubling: [[http://en.wikipedia.org/wiki/Guelph,_Ontario Guelph, Ontario]] served as the fictional town of Stoneybrook, Connecticut for filming.

!!TV series

* HeyItsThatGuy: Hey, it's [[Series/TheAdventuresOfPeteAndPete Little Pete]] (no, not [[Literature/{{Gone}} that Little Pete]]) as the red-headed WalkingDisasterArea kid!
* RetroactiveRecognition: A young Zach Braff plays Dawn's love interest in an episode of the TV show.