Episodes

1. 

   Episode 1

   Spock's Brain

   The U.S.S. Enterprise is on a routine mission in deep space when a beautiful young woman beams onto the bridge. Without a word, she touches a band on her wrist and everyone is rendered unconscious. She moves around the bridge until finally she comes to Spock. Smiling, she lays a hand on the Vulcan's head, as if she's found what she was looking for.

2. 

   Episode 2

   The Enterprise Incident

   Captain Kirk takes the U.S.S. Enterprise into Romulan space and the ship is immediately surrounded by Romulan warships. Kirk and Spock beam aboard the Romulan flag-ship and confront the Romulan Commander.

3. 

   Episode 3

   The Paradise Syndrome

   Investigating a planet in danger of collision with an asteroid, Captain Kirk, Mr. Spock, and Dr. McCoy discover both Native American inhabitants and a strange alien obelisk. While examining the obelisk, Kirk is accidentally trapped inside. Trying to escape, he inadvertently triggers a device that gives him amnesia.

4. 

   Episode 4

   And the Children Shall Lead

   When the U.S.S. Enterprise finds that all the adults in the Starnes Expedition to Triacus have killed themselves, they beam to the planet's surface to investigate. The children, however, are alive and well and strangely oblivious to their parents' fates.

5. 

   Episode 5

   Is There in Truth No Beauty

   In an attempt to adapt Medusan technology to Federation use, and vice versa, the U.S.S. Enterprise picks up Medusan ambassador Kollos, instrument specialistLaurence Marvick and telepath Dr. Miranda Jones. The Medusans have a great beauty of character, but their physical appearance causes shock to the point of insanity in humanoids.

6. 

   Episode 6

   Spectre of the Gun

   Kirk ignores an alien buoy that warns the U.S.S. Enterprise that it is trespassing into Melkotian space and continues forward when the Melkots transport Kirk, Spock, McCoy, Scotty, and Chekov to a recreation of Earth's wild west. Here their instruments will not function and they are forced to relive, in "a manner befitting their heritage for trespassing," the shoot-out in Tombstone, Arizona on October 26, 1881.

7. 

   Episode 7

   Spectre of the Gun

   Kirk ignores an alien buoy that warns the U.S.S. Enterprise that it is trespassing into Melkotian space and continues forward when the Melkots transport Kirk, Spock, McCoy, Scotty, and Chekov to a recreation of Earth's wild west. Here their instruments will not function and they are forced to relive, in "a manner befitting their heritage for trespassing," the shoot-out in Tombstone, Arizona on October 26, 1881.

8. 

   Episode 8

   Day of the Dove

   A U.S.S. Enterprise landing party beams to a human-colonized planet in answer to a distress call. A Klingon ship, apparently damaged, is detected and a group of Klingons accuse Kirk of having damaged their ship. Kang, their leader, claims the U.S.S. Enterprise as a prize and Kirk beams the Klingons on board, reluctantly. However, Spock is warned by Kirk and quickly takes the Klingons prisoner. Both ships seem to have received the same, false, distress call.

9. 

   Episode 9

   For the World Is Hollow and I Have Touched the Sky

   At the same time McCoy discovers that he has a year to live, the U.S.S. Enterprise encounters the asteroid Yonada which is determined to be artificially propelled. Its center is occupied by humanoids, whose ancestors built the asteroid "vessel" in an effort to escape the destruction of their solar system. However, the controls have become defective and Yonada is heading for collision with a Federation planet.

10. 

    Episode 10

    The Tholian Web

    The U.S.S. Enterprise arrives in an uncharted area of space to answer a distress call from the U.S.S. Defiant. The starship is visible on their viewscreen, but sensors on board the U.S.S. Enterprise say it's not there.

11. 

    Episode 11

    Wink of an Eye

    The U.S.S. Enterprise responds to a distress call from the planet Scalos; the call shows several Scalosians asking for assistance. Arriving at Scalos, however, the crew find only an empty city, with no life forms registering on tricorder scans. Compton, a young, inexperienced crewman samples the local water and disappears.

12. 

    Episode 12

    The Empath

    The U.S.S. Enterprise goes to pick up research personnel on the second planet of the star Minara. While Kirk, Spock and McCoy are on the surface, a radiation storm endangers the starship and Scotty takes the Enterprise out of orbit, sure that the planet's atmosphere will protect the landing party from radiation.

13. 

    Episode 13

    Elaan of Troyius

    Two United Federation of Planets members, Elas and Troyius, suffered war for centuries. With Klingon Empire expansion approaching the planets' system, Tellun, the Federation sends the U.S.S. Enterprise to lend assistance in a peace negotiation. The peace treaty is to be completed by the bonding in marriage of the two planets' leaders, the Dohlman of Elas and the leader of Troyius. The starship provides transport for the Dohlman to Troyius, while also offering a time and place for the Dohlman to learn the duties and customs of Troyius.

14. 

    Episode 14

    Whom Gods Destroy

    Elba II, a planet with a poisonous atmosphere, also has a facility beneath its surface for the incurably, criminally insane. The U.S.S. Enterprise is bringing a new medicine with which they hope to eliminate mental illness forever.

15. 

    Episode 15

    Let That Be Your Last Battlefield

    The U.S.S. Enterprise intercepts a stolen Federation shuttlecraft which contains a humanoid named Lokai. Taken aboard the ship, Lokai tells the crew he is from the planet Cheron, and asks for asylum on the U.S.S. Enterprise. His most distinctive feature is that he is half black and half white, starkly separated down the middle of his body.

16. 

    Episode 16

    The Mark of Gideon

    The United Federation of Planets sends the U.S.S. Enterprise to Gideon, in the hope that the Gideons will accede and become a member. Reluctantly, the Gideon council allows Captain Kirk alone to beam to their council chamber, and he transports off the ship. When Kirk apparently fails to arrive on the planet, the Gideon council refuses to allow more people on the surface, even for a search party.

17. 

    Episode 17

    That Which Survives

    As a landing party prepares to beam down to a previously unexplored Class-M planet, a beautiful woman, Losira, appears. She touches an ensign and kills him. Already dematerializing in the transporter beam, Kirk and the rest of his party are helpless to stop her. Losira then disappears.

18. 

    Episode 18

    The Lights of Zetar

    The U.S.S. Enterprise's mission is to take Lieuenant Mira Romaine to Memory Alpha, the central library for the United Federation of Planets. There she will supervise the transfer of new equipment to the facility. Mr. Scott is immediately attracted to the pretty lieutenant, and the feelings are returned.

19. 

    Episode 19

    The Lights of Zetar

    The U.S.S. Enterprise's mission is to take Lieuenant Mira Romaine to Memory Alpha, the central library for the United Federation of Planets. There she will supervise the transfer of new equipment to the facility. Mr. Scott is immediately attracted to the pretty lieutenant, and the feelings are returned.

20. 

    Episode 20

    Requiem for Methuselah

    Rigellian fever, an extremely deadly plague, strikes the U.S.S. Enterprise crew. Kirk, Spock and McCoy beam down to a supposedly uninhabited planet, Holberg 917- G, in search of the only known antidote, ryetalyn. To their surprise, they encounter Flint and his daughter, Rayna. Not pleased to have visitors, Flint orders his robot to gather and process ryetalyn, while the three officers are entertained by his daughter. Due to the robot contaminating the first batch of antidote, McCoy tells it another must be made. In the meantime, Kirk and Rayna have become attracted to each other, to Flint's jealous objection.

21. 

    Episode 21

    The Cloud Minders

    The U.S.S. Enterprise comes to the planet Ardana to acquire zienite, a rare mineral needed to stop a planet-wide plague on Merak II. The zienite is not available, however, because the miner class Troglytes are rebelling against the rulers of Ardana, who live in the cloud-city of Stratos.

22. 

    Episode 22

    The Savage Curtain

    The U.S.S. Enterprise is scanned by a powerful energy source coming from the planet Excalbia. The starship had been sent to survey the planet, but it was thought to consist of nothing but a lavalike surface without inhabitants.

23. 

    Episode 23

    Turnabout Intruder

    Dr. Janice Lester, who was once involved with Captain Kirk, harbors a deep hatred of the captain, because she, herself, has never been able to captain a starship.  claim that the everyone else was killed by celebium radiation. In fact, Janice is quite ill from it.