Contains the adaptation of the Star Trek: The Animated Series episode, “The Counter-Clock Incident”, which is the sixth episode of the second season of the American animated science fiction television series Star Trek, the 22nd episode overall. This episode was also the second season finale as well as the series finale. It first aired in the NBC Saturday morning lineup on October 12, 1974, and was written by Fred Bronson under the pen name “John Culver”.

In this episode, the Enterprise is unwillingly pulled by a smaller craft into the heart of a supernova and finds itself in another universe.