With Spock stricken down by a fatal disease, the Enterprise must track down the drug that can cure him before it is too late.
2: Bem
Sep 14, 1974
The Enterprise crew is joined by a unpredictable alien called Ari bn Bem, an independent observer from the planet Pandro.
3: The Practical Joker
Sep 21, 1974
The computer of the Enterprise gains partial sentience and starts playing practical jokes on the crew.
4: Albatross
Sep 28, 1974
Dr. McCoy is arrested and held responsible for causing a plague that ravaged the planet Dramia II, where he performed a mass-innoculation 19 years earlier.
5: How Sharper Than a Serpent's Tooth
Oct 5, 1974
The Enterprise runs into a being that once visited Earth and influenced the Mayan culture.
6: The Counter-Clock Incident
Oct 12, 1974
With Commodore Robert April (the first commander of the Enterprise) on board, Kirk pursues a ship plunging into a supernova, and enters a universe where time runs backwards.
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