The sub-par animation qualities of this episode led to the Korean animation studio AKOM being fired, and couldn't continue their work on the cartoon series.
This is the second time in a row that Catwoman appears to save Gotham from a plague first time was in the two part episode The Cat and the Claw: Part I (1992)/The Cat and the Claw: Part II (1992).
The title comes from cat-scratch disease usually known as cat-scratch fever.
When Lucius asks Bruce if he thinks Daggetts up to something, Bruce replies "that goes without saying doesn't it?", this is almost identical to a conversation Bruce had with Alfred in the episode Appointment in Crime Alley (1992) where Bruce says, "Roland Daggetts up to something Alfred" and Alfred replies, "That almost goes without saying doesn't it sir?".
The second and final appearance of Maven, Selina's secretary.