Supervising producer is a crew position in television. It is a senior role for a producer answering to the co-executive producers and executive producers. They supervise a significant aspect of the production (for example the writing) and work with more junior producers on it.
During the first season Margaret Nagle and Howard Korder were supervising producers. Nagle left the crew at the end of the season and Korder was promoted to co-executive producer leaving this position vacant in the second season.