Star Trek: The Animated Series were added to the cast—claiming that Sulu and Uhura were of importance as they were proof of the ethnic diversity of the 23rd century and should not be recast. Nimoy also took this stand as a matter of principle, as he knew of the financial troubles many of his "Star Trek" co-stars were facing after cancellation of the series. Koenig was not forgotten, and later wrote an episode for the series, becoming the first "Star Trek" actor to write a "Star Trek" story. Koenig wrote "The Infinite Vulcan", which had plot elements from the original "Star Trek" episode "Space Seed"
The Doomsday Machine (Star Trek: The Original Series) The Doomsday Machine (Star Trek: The Original Series) "The Doomsday Machine" is the sixth episode of the of the American science fiction television series "". Written by Norman Spinrad and directed by Marc Daniels, it was first broadcast on October 20, 1967. In the episode, the starship "Enterprise" fights a powerful planet-killing machine from another galaxy. The Federation starship USS "Enterprise", following a trail of mysteriously destroyed star systems, picks up the automated distress beacon of another starship, the USS "Constellation". Upon arrival, the "Constellation" is found drifting in space and severely damaged; Captain Kirk, Chief Medical Officer Dr. McCoy,