Complex sentence: The initial idea presented was one which had been considered as the cliffhanger for the, which involved duplicates of the "Voyager" crew; the general premise would be used in the episode "" instead.
Split into simpler sentences: The initial idea presented was one which had been considered as the cliffhanger for the; this involved duplicates of the "Voyager" crew. The general premise would go on to be used in the episode "" instead.