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 realizations of the franchise adhered to the "Wagon Train" paradigm of the continuing journey, with the notable exception of the serialized "", "", and the of "". In Roddenberry's original concept, the protagonist was Captain Robert April of the starship S.S. "Yorktown". This character was developed into Captain Christopher Pike, first portrayed by Jeffrey Hunter. April is listed in the "Star Trek Chronology", "The Star Trek Encyclopedia" and at startrek.com as the "Enterprise"s first commanding officer, preceding Captain Christopher Pike. The character's only television/movie appearance is in the "" episode "The Counter-Clock Incident" In April 1964, Roddenberry presented the "Star