The first series sees Cole work on the night shift, and thus, the majority of the scenes are filmed in the dark.

The majority of the series is filmed in and around Oxford.

The majority of the episode was filmed in black-and-white.

The majority of the pilot was filmed on location in and around Chicago.

A majority of the episode was filmed in Pasadena, California.

The majority of these were filmed in the Philippines where production costs are low.

The majority of these productions are filmed in Vancouver.

The majority of the episode was filmed during an elaborate white party.

The majority of the episode was filmed on December 4, 1990.

The majority of the first season of the series was filmed on location in and around Chicago.