Star Trek: Season 2 - 6 Episode s
2x1 - The Pirates of Orion
September 7, 1974
With Spock stricken down by a fatal disease, the Enterprise must track down the drug that can cure him before it is too late.
2x2 - Bem
September 14, 1974
The Enterprise crew is joined by a unpredictable alien called Ari bn Bem, an independent observer from the planet Pandro.
2x3 - The Practical Joker
September 21, 1974
The computer of the Enterprise gains partial sentience and starts playing practical jokes on the crew.
2x4 - Albatross
September 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.
2x5 - How Sharper Than a Serpent's Tooth
October 5, 1974
The Enterprise runs into a being that once visited Earth and influenced the Mayan culture.
2x6 - The Counter-Clock Incident
October 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.