This is the first episode in which Rita leaves her lair.
This is the first appearance of the "Radbug" - Billy's vehicular invention which allows the Rangers to travel anywhere. Radbug is an acronym for Remote Activated Drivingzord for Basic Ultra Geomorphology.
During the rescue of Maria, while she is suspended on the string, a different actress is clearly seen.
First episode where Rita comes to Earth, and the first time she uses her flying pennyfarthing.
The ending scene of this episode (in which Kimberly accidentally dumps chili over Bulk) was originally from the second filmed version of "Day of the Dumpster."