When the ship computer is reporting systems that are offline, it lists Sewer and waste management. A long running joke with Star Trek fans is that "bodily functions" such as visiting a toilet are never mentioned. This is one of the few times it is hinted.
Robert Picardo and Dwight Schultz worked extremely well together. They spent most of the time between takes comparing prior theater experiences, laughing at each other's jokes, and having fun with the rest of the cast and crew. Picardo even said that working with Schultz was like attending a great party.
This is one of four episodes that were produced in the first season but held back to air in the second season. Giveaways are the stardate (48892.1) and the font of the credits.
This episode was directed by Jonathan Frakes, who played William T. Riker in Star Trek: The Next Generation (1987).
We learn that about six months has passed since Voyager arrived in the Delta Quadrant.