Star Trek: The Original Series/Behind the scenes/First season

In , the Star Trek production staff underwent several changes. Roddenberry stepped down as line producer to take on the role of executive producer. He was succeeded by Gene L. Coon, who was also a regular writer for the series. With Black's departure, Steven W. Carabatsos joined as story editor, sharing responsibilities with Roddenberry and Coon. Edward K. Milkis was brought in by Justman to oversee post-production. Near the end of the season, Carabatsos left 'Star Trek' and was replaced by D.C. Fontana, who had previously served as Roddenberry's secretary and had written for the series.