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"
Star Trek: The Original Series (and often ridiculed) for their extreme devotion to the show and their encyclopedic knowledge of every episode. Unlike other syndicated reruns, prices for "Star Trek" rose, instead of falling, over time, because fans enjoyed rewatching each episode many, often dozens of, times; "People" in 1977 stated that the show "threatens to rerun until the universe crawls back into its little black hole". By 1986, 17 years after entering syndication, "Star Trek" was the most popular syndicated series; by 1987, Paramount made $1 million from each episode; and by 1994, the reruns still aired in 94% of the United States. From