When Star Trek: The Original Series premiered on NBC-TV in 1966, it was not an immediate hit. Initially, its Nielsen ratings were rather low, and its advertising revenue was modest. Before the end of the first season of Star Trek: The Original Series, some executives at NBC wanted to cancel the series because of its rather low ratings. The chief of the Desilu Productions company, Lucille Ball, reportedly "single-handedly kept Star Trek from being dumped from the NBC-TV lineup.
Star Trek: The Original Series DVD Details:
