The writing staff included Ball, who wrote nine episodes over the series run, including the pilot episode and the series finale. Writers who were on staff for the entire series run included Rick Cleveland, who wrote eight episodes and became an executive producer in the fifth season; Kate Robin, who wrote eight episodes and became a supervising producer in the fifth season; and Bruce Eric Kaplan, who wrote seven episodes and became an executive producer in the fourth season. Christian Williams was just on staff for the first season, writing two episodes. Both Laurence Andries and Christian Taylor wrote three episodes each during their run on the series for the first two seasons, and they also served as producers. Scott Buck and Joey Soloway joined in the second season, staying on staff for the rest of the series, and each wrote seven episodes. Buck became a co-executive producer in the fourth season, and Soloway became a co-executive producer in the fifth season. The last set of writers to join the staff were Craig Wright and Nancy Oliver in the third season. Wright wrote six episodes and became a producer in the fifth season and Oliver wrote five episodes and became a co-producer in the fifth season.