After ignoring a warning buoy, Kirk, Spock, McCoy, Scotty, and Chekov are transported to an incomplete Tombstone, Arizona back in the nineteenth century, where they will be killed by the Earps at the O.K. Corral. But how much of a reality are they really in? Written by: Lee Cronin. Directed by: Vincent McEveety.
The Enterprise is sent to transport Elaan of Troyius to neighboring and rival world Elas for her marriage to their leader. Elaan and the Troyian population, however, are not as proper as those on Elas and Elaan stabs her Elasian teacher of manners, Petri. Written by: John Meredyth Lucas. Directed by: John Meredyth Lucas.
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On beaming down to a peaceful Earth-like planet, threatened by an asteroid collision, the landing party discovers a strange obelisk, which Kirk accidentally falls into and loses his memory. Unable to retrieve him, the rest of the landing party returns to the ship to try and stop the asteroid before it is too late. When Kirk regains consciousness a few days later, and exits the obelisk, he becomes a god among a group of Indians who indirectly name him Kirok. Written by: Margaret Armen. Directed by: Jud Taylor.
A highly overworked and tired Kirk orders the Enterprise to cross over into Romulan space, where it is immediately surrounded. Kirk and Spock are ordered to beam over to the Romulan flagship immediately, where soon after, Spock kills Kirk. Written by: D.C. Fontana. Directed by: John Meredyth Lucas.
While checking on the Starnes' expedition, the crew finds that all the adults have killed themselves, leaving only five children left alive. After bringing the children on board, Tommy Starnes the eldest child along with the others take over different parts of the ship at the prodding of an evil entity, Gorgan. Written by: Edward J. Lakso. Directed by: Marvin Chomsky.
While on patrol in deep space, a young woman appears on the bridge, renders everyone unconscious and takes Spock's brain, leaving the crew, after regaining consciousness, they find they have twenty-four hours to find it before Spock's body dies. Written by: Lee Cronin. Directed by: Marc Daniels.
The Enterprise sent to transport the Medusan ambassador, Kolos, and his human representative, Dr. Miranda Jones, back to Medusa. However, Medusans are so ugly to look at, that anyone who sees them goes madly insane. Such an occurrence does take place and the Enterprise gets piloted out of the galaxy. Written by: Jean Lisette Aroeste. Directed by: Ralph Senesky.
While searching for two scientists, Kirk, Spock and McCoy are captured by Vians, who want to use them for experiments. They are also conditioning a mute, who McCoy names Gem, to save her planet. Written by: Joyce Muskat. Directed by: John Erman.
TIn an unexplored quadrant the Enterprise finds the Defiant, a ship which is starting to drift into a parallel dimension. When beaming a landing party back from the Defiant, Kirk becomes trapped when it "disappears". When Spock misses his only chance at retrieving the Captain, a memorial service is held for him, while crew members are becoming stricken with space madness. Written by: Judy Burns & Chet Richards. Directed by: Herb Wallerstein.
The Enterprise encounters an asteroid that can change it's direction, bound on a collision course for a highly populated Federation world. Upon beaming down they find it is actually populated with a crew that doesn't know they're on a ship. Here, McCoy, who has discovered he has only a year to live, falls in love with the world's leader, Natira. Written by: Rick Vollaerts. Directed by: Tony Leader.
With 400 of the crew trapped below decks, the remaining thirty crewmen find themselves pitted against thirty Klingons they were forced to beam aboard when their ship suffered damage, with nothing but swords and knives. Also when one is killed, he does not die. Klingon Commander Kang is later seen in DS9 #439 "Blood Oath". Written by: Jerome Bixby. Directed by: Marvin Chomsky.
Answering a distress call for a doctor, Kirk, Spock, and McCoy beam down to a planet people having telekinesis, except for a dwarf jester. Unable to leave, the crew is forced to do strange and unusual things and Kirk and Uhura share television's first inter-racial kiss. Written by: Meyer Dolinsky. Directed by: David Alexander.
Upon arrival to answering a distress signal, the crew finds no one there. Soon a crewman disappears, and then Kirk himself. His metabolism has apparently actually been speeded up by aliens. Teleplay by: Arthur Heinemann. Story by: Lee Cronin. Directed by: Jud Taylor.
Preparing to beam down to an unexplored Class M planet, the landing party is transported light years away, where the only inhabitants are female androids who are programmed to kill one specific target at a time. Teleplay by: John Meredyth Lucas. Story by: Michael Richards. Directed by: Herb Wallerstein.
On an urgent mission to sterilize bacteria on a planet, the ship encounters a stolen starbase shuttle. Its occupant, who is half black and half white, is taken into custody. Soon after an alien ship intercepts the Enterprise, and its occupant, also half black, half white, requests the extradition of the shuttle thief. Teleplay by: Oliver Crawford. Story by: Lee Cronin. Directed by: Jud Taylor.
Beaming down to an insane asylum with a new drug, Kirk and Spock are captured by one of the most powerful inmates who has taken over the complex. Teleplay by: Lee Erwin. Story by: Lee Erwin & Jerry Sohl. Directed by: Herb Wallerstein.
Beaming down to a disease-free planet to pursue diplomatic relations, Kirk finds himself alone on the Enterprise, except for a girl who says her nameless world is over-populated. Meanwhile, Spock, by regulations, is prevented from beaming down to look for his missing captain. Written by: George F. Slaven & Stanley Adams. Directed by: Jud Taylor.
Kirk goes after an energy storm that has destroyed all life on Memory Alpha, with the help of an officer who is able to predict where it will strike next. Written by: Jeremy Tarcher & Shari Lewis. Directed by: Herb Kenwith.
The ship awaits a shipment of zienite, a drug to be used to kill a plague on another planet, that is delayed by terrorist activities. Unknown to the miners, raw zienite produces a gas that retards the mind. Teleplay by: Margaret Armen. Story by: David Gerrold & Oliver Crawford. Directed by: Jud Taylor.
The crew track down a stolen ship run by a crew of twenty-third century hippies looking for the planet Eden. Among them is an old girlfriend of Chekov's. Teleplay by: Arthur Heinemann. Story by: Arthur Heinemann & Michael Richards. Directed by: David Alexander.
On beaming down to collect ryetalyn after almost the entire crew breaks out in Rigellian fever, they find a man who at first threatens them and then asks them to stay while his robot collects the ryetalyn. Written by: Jerome Bixby. Directed by: Murray Golden.
While conducting orbital surveys of Excalbia, the Enterprise encounters Abraham Lincoln, whom they welcome on board and who requests Kirk and Spock to beam down, where Spock meets the father of all logic for Vulcans, Surak. The four of them are then forced to fight four evil historical figures. Teleplay by: Gene Roddenberry & Arthur Heinemann. Story by: Gene Roddenberry. Directed by: Herschel Daugherty.
Upon beaming down to a world threatened by a supernova, the landing party finds only a librarian left. The rest of the inhabitants had already escaped into their planet's past. Kirk, himself accidentally ends up in a sort of middle ages and Spock and McCoy end up in the planet's ice age where Spock falls in love. Written by: Jean Lisette Aroeste. Directed by: Marvin Chomsky.
An old flame of Kirk's allows herself to get sick purposely to lure Kirk in order that she may change bodies with him so she can lead the life of command, which women are not permitted to do in Starfleet. However, in order to remain in Kirk's body, she must kill her old body now containing Kirk's consciousness. Teleplay by: Arthur H. Singer. Story by: Gene Roddenberry. Directed by: Herb Wallerstien.