(Star Trek: The Original Series, 1966-1969) The Original Series premiered on NBC on September 8, 1966, produced by Gene Rodenbery, starring William Shatner, Leonard Nimoy, and DeForest Kelley.It is a story about the sailors on the United Federation of Planets Enterprise and their "to boldly go where no one has gone before."It was not successful at the beginning, with low ratings and ad revenues not ideal.However, when the show's second season saw a vague sign of suspension, loyal fans embarked on an unprecedented campaign to convince NBC to continue making season three.The last episode premiered on June 3, 1969.The TV series has received a surprising popularity in future replays of various stations.In order to distinguish this first series from other future series, this series is called Star Trek: The Original Series in the West (Star Trek: The Original Series, which is used in Taiwan as "Star Wars" and translated as "Adventures of Stars" in Hong Kong in the 1970s), and is abbreviated as ST:TOS or TOS.In other words, the earliest ST, in order to distinguish it from later dramas, Fans added The Original Series after its name, so it is called TOS. It has a total of three seasons and has created a classic work in history. The 1-6 movie version can be regarded as a continuation of TOS, and the original cast of the TV version.