* FanNickname: "K. Ron" (after L. Ron Hubbard) for Kristy and "[=BSCult=]" have become popular on some snark communities.
* KeepCirculatingTheTapes: A good portion of the series is out of print.
* 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 spin-off series called ''Morbidda Destiny, Teen Witch'' was considered, but scrapped when test audiences reacted poorly.

!!TV series

* RetroactiveRecognition: A young Zach Braff plays Dawn's love interest in an episode of the TV show.
** Music-wise, the singer of the opening theme, Emily Bindiger, would later go on to collaborate with Music/YukiKajiura and provide vocals for a few of her soundtracks, such as ''Manga/PandoraHearts'' and ''Anime/ElCazadorDeLaBruja''.