- "Hey! We don't serve their kind here!"
Droid detectors were devices that detected the presence of droids. The bartender Wuher had one such detector installed in Chalmun's Cantina. Malfunctioning when Luke Skywalker visited the cantina with the droids C-3PO and R2-D2, it did not alert him to their entry.
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars: A New Hope junior novelization
- Star Wars: The Original Trilogy – A Graphic Novel
- "We Don't Serve Their Kind Here"—From a Certain Point of View
- Ultimate Star Wars (First identified as Droid detector)