!!Books

* 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.
* 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.