Actor Allusion: One episode has Penny communicating with a tiger similar to Dr. Dolittle. Her voice actress Kyla Pratt played the daughter of the famous doctor in the modern film version, who also inherited his gift in a later sequel.
A decade before the show debuted, Bruce W. Smith was the director and production designer for Bébé's Kids, notable for being one of only two animated features to star a predominantly black cast (he'd later animate for the other one).
Keep Circulating the Tapes: The Movie was only available on DVD and only some of the first season was available on iTunes. However, in July 2017, 51 out of the 52 episodes that aired on TV were made available for streaming on Watch Disney Channel and for purchase on places like iTunes.
The episode "Don't Leave Home Without It" is the only one from the show's original run that Disney has not released in any form. This likely has to do with licensing issues involving the Destiny's Child song "Independant Woman," which is odd since they sung the theme song.
The original pilot. It was rarely shown and it is very hard to find images of it online. The only clips of it available online come from commercials that aired around the show's debut.