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 Mike and Denise Okuda, the visual and special effects were recreated to give "Star Trek: The Original Series" a more modern look. Special attention was given to such elements as the "Enterprise", alien planets and their images depicted from space, planets seen from orbit, alien spacecraft, and technology such as computer readouts, viewscreen images, and phaser beams. The restoration and enhancement was performed by CBS Digital. All live-action footage was scanned in high definition from its first-generation 35 mm film elements. While it was possible to retouch and remaster some visual effects, all new exterior ship, space and planet shots