"Monsters R Us" is the seventy-ninth episode of Darkwing Duck, and is the fourteenth episode to air on ABC. It premiered on September 12, 1992 and is the first episode of the second season.
- When this and the remaining episodes originally aired on ABC, the theme song aired with a completely different set of images, consisting mostly of scenes from this season. This version of the theme song was replaced with the syndication intro after the episodes were moved to the Disney Afternoon in 1993.
- This is the first appearance of the McCawber family.
- The title is similar to the former American toy and juvenile-products retailer, Toys "R" Us.