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The Cage

Stardate: Unknown

The original pilot of the series had the encounter of the Enterprise at Talos IV. It is this encounter which prompts the issuance of General Order 7--the only death penalty the Federation has.

Captain Christopher Pike is captured by the Talosians to become the father of many human slaves for the repopulation of the planet's surface.

Where No Man Has Gone Before

Stardate: 1312.4

Several years before this second pilot, the S.S. Valiant had flown to the edge of the galaxy. At the edge, it found an energy barrier. Something in the barrier made the Valiant 's captain destroy the ship.

The episode begins with the Enterprise finding the Valiant 's disaster record-marker. Just prior to its destruction, the crew of the Valiant had been searching library tapes for anything they could find concerning psionics. The Enterprise reaches the edge of the galaxy and encounters the same force which affected the Valiant . The psionic abilities of Garry Mitchell, a longtime friend of Kirk's, and Doctor Elizabeth Dehner are heightened--much like the Captain of the Valiant . With the heightening of their psionic powers, they become more dangerous. Mitchell declares himself to be a god who will rule over humanity. His death is the only thing that can solve the situation. Eventually Dehner realizes how inhumane Mitchell has gotten and attempts to help Kirk kill Mitchell. However, Mitchell kills Dehner without remorse. Kirk is able to cause a landslide to kill and entomb his long-time friend. It is the first time Spock admits to feeling something close to human emotion.

The Corbomite Maneuver

Stardate: 1512.2

The Enterprise is exploring an uncharted region of space when it encounters a space buoy warning ships away and blocking the starship's path. Kirk orders the buoy destroyed, but a large alien ship, shaped like a giant crystal, traps the Enterprise . Balok appears and accuses the Enterprise of trespassing and committing hostile actions--actions which require the destruction of the Enterprise . Kirk bluffs that any attack on the ship would cause the corbormite in the ship's hull to self-destruct, destroying both ships.

Balok takes the ship in tow, but Kirk wrenches the ship away so quickly that it disables the alien ship. The Fesarius sends out a distress signal which the Enterprise hesistantly answers. Kirk, McCoy and Lieutenant David Bailey beam aboard the Fesarius to find that Balok is merely a friendly, child-like entity. Balok grins as he reveals his own bluff to Kirk--testing the Enterprise to see if they were really as peaceful as they claimed. A small diplomatic relationship begins and Bailey stays behind as an exchange student to learn more about Balok's people and teach him about the Federation.

Mudd's Women

Stardate: 1329.1

The Enterprise pursues an unknown ship into an asteroid field to save its crew before it's destroyed. Four members of the crew are rescued-Harry Mudd and three women. Mudd was transporting the women to Ophiuchus VI to marry settlers. However, the Enterprise burned out its lithium crystals while chasing Mudd's ship. Kirk ordered the ship to Rigel XII, the nearest lithium mining planet. When they arrive, it is quickly seen that Rigel XII is inhabited only by three lonely, single lithium miners. The three women, who use an illegal Venus drug to keep themselves beautiful, end up marrying the miners in exchange for the lithium crystals. When the fraud is discovered, the miners are not angry, but keep their new wives just as they are.

The Enemy Within

Stardate: 1672.1

In orbit of Alfa 177, the Enterprise experiences a transporter malfunction when Technician Fisher beams aboard with a metallic ore on his clothing. Scotty checks the transporter, but sees nothing wrong. Kirk beams aboard. When the transporter room is deserted, the transporter reengages and a second Kirk materializes. A dog-like animal is beamed aboard, but it is immediately split into two entities--one tame and one vicious. It's discovered that the same thing's happened to Kirk. More transporter tests continued to produce split beings. Therefore the landing party had to remain on the planet and weather the freezing temperatures until the transporter is fixed.

As time passes, the good Kirk becomes more indecisive while the evil Kirk is dying. Scotty repaired the transporter, but the first test failed as the dog-like animal came back as one entity--but it was dead. Kirk takes his counterpart into the transporter and goes through the cycle. He materializes whole and alive. With this success, the landing party is rescued before any of them die from exposure.

The Man Trap

Stardate: 1513.1

The Enterprise delivers supplies to Dr. Robert Crater and his wife Nancy on planet M-113. Crater asks for only salt tablets. Several members of the away team end up dead with suction-cup marks all over their faces. There is a shapeshifting creature, which had killed Nancy Crater years ago, who is the last native inhabitant of M-113. She is let loose on the Enterprise under many guises where she kills several more members of the crew before she is killed by McCoy, who had once dated Nancy.

The Naked Time

Stardate: 1704.2

Spock and Joe Tormolen beam down to Psi 2000 to pick up a research team before the planet disintegrates. However, they find that the entire team has frozen to death after someone had turned off the life support. Stranger yet, every one of them seemed to have been out of their minds when they died.

Tormelon carries what is later known as the Psi-2000 virus back to the Enterprise . The virus is waterborne and spread on contact with perspiration. Sulu and Kevin Riley are affected while trying to keep Tormelon from killing himself. Sulu holds the Bridge crew hostage with a fencing foil while Riley declares himself Captain of the Enterprise and locks himself in Engineering where he turns off the ship's engines so that the starship will crash land on Psi 2000. McCoy manages to avoid contracting the virus in order to create an antidote.

Charlie X

Stardate: 1533.6

Charlie Evans arrives aboard the Enterprise by means of the S.S. Antares . When the Captain of the Antares tries to warn Kirk about Charlie's condition, the Antares is suddenly destroyed. Charlie's only concern is that his new "family" like and accept him. When he's angered anything can happen (e.g., he makes Yeoman Rand disappear and breaks Spock's legs).

Charlie demands that the Enterprise take him to the closest inhabited planet and leave him there. After Kirk refuses, Charlie takes control of the ship. Once Kirk is able to regain control from Charlie, a Thasian appears on the Bridge. The Thasians had raised Charlie after the ship he had been travelling on as a child crashed on their planet leaving him the only survivor. They take Charlie back and restore the Enterprise back to normal.

Balance of Terror

Stardate: 1709.2

The marriage of Angela Martine and Robert Tomlinson is interrupted when a Romulan warbird attacks and destroys Outpost 4, which guards the Neutral Zone between Federation and Romulan space. Kirk learns that the Romulan ship has also destroyed three other outposts and is now running at full speed towards home.

The Enterprise pursues the warbird, hampered by the fact that the Romulans have constructed an invisibility screen which shields them from view. While the screen protects the Romulans from detection visually, it also prevents them from using their weapons or visual aids. The Romulan Commander, therefore, isn't sure whether his radar is detecting a Federation ship in pursuit or a harmless space echo.

The Enterprise is able to pick up a visual from the Romulan bridge, which shows the previously unseen Romulans to look very much like Vulcans. This sparks an old prejudice in Lieutenant Andrew Stiles, whose family fought in the Romulan wars. He is instantly suspicious of Spock, whose physical characteristics are remarkably similar to the Romulans they are chasing.

After every attempt to lose the Enterprise fails, the Romulan Commander is forced to turn and fight. Both ships are damaged; when the Enterprise's phaser banks are damaged, they emit a poisonous gas which disables Stiles and Tomlinson, who are manning the weapons. In a tense race against time, Spock manages to fire the only remaining phaser manually, disabling the Romulan ship. The Vulcan manages to save Stiles, but Tomlinson is killed. Stiles, realizing by Spock's actions that his bigotry was misplaced, admits that he was wrong.

The Romulan Commander contacts the Enterprise and, in a stirring moment, tells Kirk that under other circumstances, he suspects they might be friends. Rather than let himself and his ship be taken prisoner, the Romulan self-destructs the warbird.

What Are Little Girls Made Of?

Stardate: 2712.4

The Enterprise arrives at Exo III to search for Dr. Roger Korby. Korby is Nurse Chapel's fiance. Korby allows only Kirk and Chapel to beam down to the planet. While he has been on the planet, Korby has learned how to make androids that look and act just like humans. This is found out when his chief aide fails to recognize Chapel. Korby intends to replace key people in the Federation with his androids.

Korby replaces Kirk with an android duplicate. However, Kirk plants false memories into the double's brain which makes it easy for Spock and the Enterprise crew to realize the fraud when he's in command of the ship. Kirk escapes from his imprisonment by helping his android guard realize the danger posed by Korby. Chapel quickly finds out that Korby is not the same man she fell in love with. He's housed his essence in an android body. The episode ends with a landing party beaming down to the planet shortly after Korby kills himself and his last remaining android.

Dagger of the Mind

Stardate: 2715.1

The Enterprise receives Dr. Simon van Gelder, a member of the psychiatric staff of the Tantalus Penal Colony, who is exhibiting signs of manic insanity. McCoy convinces Kirk to investigate the colony despite Kirk's objections. Once on the colony, Kirk finds that the head of the colony, Dr. Tristan Adams, has been using a neural neutralizer to effectively brain-wash the inmates and staff. Adams insists that Kirk try the machine himself--which makes him fall madly in love with Dr. Helen Noel, the Enterprise 's psychiatrist.

Meanwhile, on the Enterprise , Spock attempts to get information from van Gelder through a mind meld. Understanding what is going on with the neural neutralizer, Spock starts to plan an escape for the Captain. Dr. Noel escapes imprisonment through an air duct until she reaches the control room where she shuts down the planet's shield. Spock beams a landing party to the surface. Kirk fights Adams, finally knocking him into the neutralizer. Kirk, still dazed from his own experience with the machine, stumbles away. Adams is found dead by the landing party. van Gelder is made sane again and returns to direct the colony.

Miri

Stardate: 2713.5

The Enterprise answers a distress call to find an unnamed planet which appears to be an exact duplicate of Earth in the 1960s. Three hundred years before, the natives experimented with a virus that wiped out the adult population with rapid aging while making the life process of children last centuries before reaching puberty. The landing party contracts the virus and is quarantined to the planet until a cure is found.

The remaining children on the planet harass the Enterprise crew until Kirk convinces them that they too will contract the disease and die a horrible death. McCoy uses himself as a guinea pig to test an antidote found in the planet's lab and finds a cure. He suggests that the Federation send supervisory personnel to work with the children and help colonize the planet.

The Conscience of the King

Stardate: 2817.6

Twenty-two years ago, the governor of Tarsus IV, Kodos, evoked emergency martial law and ordered half of the planet's population executed. His intent was to address a severe food shortage on Tarsus IV, and it earned him the name "Kodos the Executioner." It was believed that Kodos died on the planet, but there is some belief that he may have escaped and assumed another identity.

James Kirk, Lt. Kevin Riley, and Dr. Thomas Leighton are the only surviving witnesses to Kodos' previous evil deeds; others who might have known Kodos have been mysteriously killed in various accidents.

A traveling theatrical troupe arrives at Planet Q, and a Dr. Leighton contacts the Enterprise regarding a new synthetic food concentrate. When he is beamed aboard, he tells Kirk that his real reason for contacting him was to tell the captain that he suspects Anton Karidian, the head actor in the theater troupe, is really Kodos.

When Dr. Leighton is murdered, Kirk agrees to transport the Karidian Players to the Benecia Colony on board the Enterprise. His real motive is to study Karidian and his daughter in an attempt to learn if he is, indeed, Kodos and responsible for Leighton's death.

When Riley is poisoned, the young man learns of Kirk's suspicions and goes to the theater on board the Enterprise to kill Kodos. Kirk stops him and takes the actor as his prisoner. Then he learns that Karidian's daughter, Lenore, has been killing anyone who might know of her father's past life. Karidian, who has been trying to forget his past, is horrified to find what his daughter has been doing. Lenore aims a phaser at Kirk, but her father steps into the line of fire and is killed. Lenore goes completely insane at having killed her father.

The Galileo Seven

Stardate: 2821.5

The Enterprise passes Murasaki 312 while on its way to Makus III. StarFleet had ordered them to inspect such galactic phenomena so Spock, McCoy, Scotty and four crewmen take the Galileo for a closer look. The shuttle is pulled off course so that Spock must crash land on Taurus II, a planet inhabited by giant humanoids. They land during a war between factions. Quarrels amongst themselves stifle the crew's work to repair the shuttle.

On the Enterprise , Commissioner Ferris demands that Kirk call off the search for the shuttle and continue to Makus III. As the Enterprise prepares to leave the area, the Galileo makes it into an unsteady orbit of Taurus II. Spock ignites the remaining fuel to attract the Enterprise 's attention. The crew is beamed aboard as the shuttle disintegrates in the atmosphere.

Court Martial

Stardate: 2947.3

When the Enterprise puts in at Starbase 11 for repairs caused in an ion storm, Kirk gives his report of the circumstances of Lieutenant Commander Ben Finney's death to Commodore Stone. All goes well until Spock arrives with the computer visual tape of the bridge during the crisis. Spock tries to warn Kirk about what is on the tape, but the Commodore takes it and plays it. Kirk's statement claims that Finney went into the Enterprise's ion pod to take vital readings. When the storm made it necessary to jettison the pod, Kirk warned Finney during a yellow alert; he eventually switched to red alert before jettisoning the ion pod. This event occurred with Finney, apparently, inside.

What the computer tapes show is Kirk pressing the pod-release switch while still in a yellow alert status. As a result of this, the Commodore informs Kirk that he will have to stand trial for possible court-martial for the death of Finney. Things are complicated even more when Finney's daughter, Jamie, blames Kirk for her father's death.

When Kirk meets an old girlfriend, Lt. Areel Shaw, that evening she tells him that she's arranged for a lawyer to come and see him. Unfortunately, she's been assigned to prosecute his case and will try her best to bring him down. Dejected, Kirk goes to his room to find that Samuel T. Cogley has moved in, books and baggage. Kirk decides that he likes the quirky lawyer and they begin to plan the captain's defense.

On the Enterprise, McCoy reprimands Spock for playing chess with the computer while Kirk is on trial for murder. Spock explains that he has won several games straight ... a feat he should not have been able to accomplish unless the computer is malfunctioning. McCoy's interest is piqued and the two men discuss what this development could mean to the captain's defense.

At the trial, just as the defense has rested, Spock appears with the information about the faulty computer. Cogley gives a stirring speech about the rights of men versus machines and the Commodore finally allows the jury to reconvene on board the Enterprise.

Spock explains that having programmed the computer for chess himself just months before, the best he should have been able to do is stalemate. Therefore, the officer explains, someone tampered with the computer, adjusting its memory. When asked who had the knowledge for such an action, the Vulcan admits that it could only have been himself, Kirk or Records Officer Ben Finney. Cogley then suggests that Finney is still alive and hiding somewhere on the Enterprise.

On the Bridge, the ship's sensors have been boosted to pick up any sound on the ship. Everyone but the bridge personnel and transporter attendant are beamed to the surface and the demonstration begins. Switching on the sensors, everyone's heartbeat on the ship is audible. One by one McCoy, using a white-light masking device, eliminates the sound of everyone's heartbeat ... except one ... Finney's.

Kirk goes after Finney and finds him hiding on the ship. Finney has harbored a grudge against Kirk since they were both ensigns, when Kirk had logged a careless and potentially dangerous mistake of Finney's, which the man claims has kept him from promotion over the years.

The two men fight, with Kirk finally winning. Finney had, however, damaged the ship's engines and the Enterprise is losing its orbit. Racing against time, Kirk manages to repair the damage and the Enterprise regains her previous position. Kirk is cleared of all charges and Samuel T. Cogley takes on a new client ... Ben Finney.

The Menagerie

Stardate: 3012.4/3013.1

The Enterprise and her crew are diverted by a signal from the former captain of the Enterprise on Starbase 11, and proceed to the call. When they arrive they find Captain Christopher Pike, who is severely crippled by radiation burns, confined to a moving chair and his ability to communicate limited to the answers "yes" and "no."

Unbeknownst to Captain Kirk, Spock abducts Pike on board the ship. Captain Kirk returns to the Enterprise with Commodore Mendez, and soon discovers that Spock has locked the ship's controls on a course set for the planet Talos IV � a planet to which a visit carries the death penalty. Forced by the extreme actions of the Vulcan first officer, the two convene a court-martial against Spock.

During the proceedings, from an unknown source, they watch the events that transpired when Captain Pike was in command of the Enterprise. They are shown Pike's initial contact with the Talosians, a race of beings eager to study human beings in their natural state, and who can provide illusions to make things appear exactly as they would like. The transmission relays Captain Pike's entire mission surrounding the Talosians and their bizarre experiments while holding him in a powerful cage. The Talosians are telepathic beings, able to dig deep into the memories to find whatever illusion will be most effective. They attempt to hold Pike captive until his passion and fury force them to release him.

As the proceedings end, the entire court-martial is found to be meaningless, a result of Commodore Mendez being an illusion created by the Talosians for Kirk's benefit. The events, as well, which depicted Pike on Talos IV were also found to originate from the Talosians.

Because of Pike's condition, Spock has risked his career and freedom to bring his former captain to a place where he will be able to live an illusion of a pleasant life, rather than the tragically limited one he lives now. Kirk allows Pike to beam down to Talos IV and all charges against Spock are dropped.

Shore Leave

Stardate: 3025.3

An Enterprise landing party beams down to an uncharted planet. The planet seems like a perfect candidate for shore leave with its "Earth-type" characteristics. Kirk sends McCoy down with the party to check it out.

McCoy's first encounter on the new world is with a life-sized white rabbit in a waistcoat, being chased by a little girl in a pinafore. Kirk answers McCoy's somewhat odd call for help and beams down himself to find his old rival from his academy days, Finnegan. While trying to catch his old enemy, Kirk meets Ruth, an old girlfriend. He notices that neither Finnegan nor Ruth have changed in appearance since he's last seen them. Elsewhere, Sulu is attacked by a Samurai Warrior while others are chased by tigers and aircraft.

McCoy, who has paired off with Yeoman Tonia Barrows, is killed by a black knight on horseback. As the perils become more and more deadly, Kirk and Spock realize that their thoughts are somehow coming to life around them.

An old man appears, explaining that this planet is designed as an "amusement park," and he is the Caretaker for the world. The planet is not meant to be hostile, and the results of one's fantasies are not lasting. McCoy appears, healed, with a Rigel Cabaret girl on each arm. Tonia disengages the good doctor and they go off to spend what promises to be an enjoyable vacation together. The Caretaker invites Kirk and his crew to spend their leave on his planet. Kirk agrees, realizing that once warned, it would provide a most diverting vacation spot. As he makes his decision, Ruth appears.

The Squire of Gothos

Stardate: 2124.5

The Enterprise must cross an empty sector of space on their way to deliver supplies to colony Beta VI. In this space, they find an uncharted planet whose presence can't be explained. After Kirk and Sulu disappear without apparent reason, Spock orders McCoy and geophysicist Lt. Karl Jaeger to the planet's surface to begin a search.

They find Trelane, a humanoid with tremendous psionic powers and a passion for Earth's 18th-century military history. It is he, they discover, who impulsively kidnapped Kirk and Sulu, wanting to add them to his arena of the Napoleonic era that he has created on this planet, Gothos.

While Trelane has great powers, he has little self-control and is spoiled, willful and impetuous. When McCoy and Jaeger appear, Trelane invites them all to join him at his party.

Spock manages to beam them aboard the Enterprise, but Trelane, determined to have his way in all matters, transports the entire bridge crew to Gothos for a banquet. Kirk challenges Trelane to a duel and in the process, destroys the device the alien uses to create his illusions. However, Trelane repairs it and prevents the Enterprise from leaving orbit until he can punish Kirk for his rash actions.

In exchange for freedom for the Enterprise and her crew, Kirk offers himself as the prey in a "fox hunt." Suddenly, as Trelane is about to kill the Captain, two noncorporeal beings appear. They explain to Kirk that they are Trelane's parents, and apologize for letting their child play such dangerous games. They then scold the errant child for his selfish behavior and temper tantrums. They inform Trelane that he will not be allowed to have another planet to play with until he learns how to treat other beings with respect.

Arena

Stardate: 3045.6

The Enterprise is in pursuit of an unknown alien ship which has destroyed a Starfleet base on Cestus III. In an uncharted area of space, both the alien ship and the Enterprise are caught by an advanced race called Metrons. The Metrons are angry at the two ships for trespassing into their space and believe that physical combat is the answer to finding justice.

They transport Kirk and the alien captain, a lizard-like creature called a Gorn, to an uninhabited asteroid to fight to the death. The Metrons promise that the victor and his ship will be set free, while the loser will be destroyed, along with his ship and crew.

The Gorn informs Kirk that the base on Cestus III was destroyed because it was believed to be a hostile intrusion on Gorn space. The Gorn is seven feet tall and much stronger than a human, with an extremely aggressive nature, but Kirk has the advantage of speed and agility that his opponent lacks. Kirk manages to keep out of the Gorn's way long enough to mix local minerals into gunpowder, which he uses in a primitive cannon to wound the Gorn captain.

When Kirk refuses to kill the Gorn, the Metrons decide that there may be some hope for the human species after all. Both captains and their ships are set free.

The Alternative Factor

Stardate: 3087.6

While orbiting what should be a dead planet, the Enterprise experiences a moment of "nonexistence." Starfleet Command fears an enemy invasion and orders Kirk to find out what caused the stellar system disturbance.

On the planet below, Kirk finds a man called Lazarus, who tells Kirk that the effect was caused by his enemy. Lazarus has been chasing him with the aid of a time/space craft and wants the Enterprise's dilithium crystals to continue his search. The captain refuses.

When Kirk takes Lazarus aboard the Enterprise, it becomes apparent that there is something strange about their visitor. He has incredible mood swings, one minute sane and rational, the next exhibiting violent rage. He also has a bloody head wound that disappears, then reappears moments later.

Lazarus manages to steal the ship's dilithium and return to the planet. Kirk follows and discovers that Lazarus is two people--one sane and one a madman, with one from an anti-matter universe. The sane Lazarus informs Kirk that the beings can only appear in either universe one at a time. Should both men be in the same place at the same time, both universes would be destroyed. Kirk helps the sane Lazarus trap his counterpart in an intermediate time corridor where they can hurt neither the matter nor anti-matter universe, but where the two will be trapped in fight until the end of time.

Tomorrow Is Yesterday

Stardate: 3113.2

When the Enterprise is thrown into a time warp by a black star, it ends up orbiting Earth in the 20th century. Omaha Air Base detects a peculiar UFO and sends a fighter plane, manned by Captain John Christopher, to investigate.

The starship accidentally destroys the plane, caught in their tractor beam, so the pilot is beamed aboard. The problem now, of course, is to prevent Captain Christopher from returning to tell others on Earth. In order not to change history, in which Christopher's son will prove important, Kirk must return the captain to Earth without knowledge of the ship.

In an attempt to remove all records of the Enterprise sighting, Kirk and Sulu beam down to the air base. Kirk is almost immediately captured by the Air Police, though Sulu manages to escape and gets the stolen records to the Enterprise. Spock and Captain Christopher beam down to help get Kirk away from the Air Police. At the same time, an Air Police sergeant has been accidentally caught in the Enterprise's transporter beam and is reeling as he finds himself on a 23rd-century starship.

Spock and Scotty manage to recreate the conditions of the time warp that brought them to this time, with a slingshot effect around the Sun. The confused Air Police sergeant is returned to Earth a second before he was transported to the Enterprise, so he will remember nothing of his astounding experience, and the starship returns to the 23rd century.

This time, the pilot sees nothing and the Air Force concludes that the sighting was a mistake ... a UFO. In effect, everything that had happened, never happened.

The Return of the Archons

Stardate: 3156.2

The Enterprise is investigating Beta III, where the Archon disappeared over 100 years before.

When the landing party exhibits strange behavior, Kirk sends another party down to investigate. They find the culture on Beta III is quiescent, with no creative tendencies. The entire culture is controlled by a group of 'lawgivers' known as "The Body" which is, in turn, controlled by the omniscient Landru. The inhabitants change from normal, peaceful people to a violent mob at the coming of the Red Hour. This 'Festival' is the society's only outlet for the tyrannical hold that Landru has over them at all other times.

Meanwhile, the Enterprise is being pulled from its orbit, its crew to be absorbed into the Body. This, they discover, is what happened to the Archon, so many years before.

Archon survivors have formed an underground of sorts to fight the Body, and they help Kirk and Spock reach Landru. Landru turns out to be an incredibly complex computer built by Landru, a scientist who lived 6,000 years before, who wanted to guide his people into a peaceful, civilized progress.

Landru had affected the computer with his scientific thoughts and memories, but not his wisdom. For centuries the computer, 'Landru,' has been interpreting his suggestions to the point that no one is allowed independent thought. Kirk tells the computer that instead of helping to nurture the culture of Beta III, it has harmed it. Landru destroys itself, leaving the Betans to work toward the sort of culture Landru had wanted so many centuries before. With the promise of Federation help on the way, Kirk and his crew beam back to the Enterprise.

A Taste of Armageddon

Stardate: 3192.1

The Enterprise is ordered to pick up Ambassador Robert Fox, who is headed to planet Eminiar VII on a diplomatic mission. Upon arriving at the planet, the ship is warned away.

Beaming to the surface with a landing party, Kirk and Spock are met by a young woman, Mea 3, who tells them that Eminiar VII has been at war with its neighboring planet, Vendikar, for over 500 years. Mea 3 takes them to the council chambers where they find banks of computers. Eminiar's head council Anan 7 informs them that the two planets have learned to avoid the complete devastation of war because computers are used. When a "hit" is scored by one of the planets, the people declared "dead" willingly walk into antimatter chambers and are vaporized. Anan 7 further tells Kirk that his ship and all the crew aboard her have been declared casualties and will be executed. When Kirk flatly refuses, the landing party members are taken prisoner.

The council members are unable to convince Scotty, in charge of the Enterprise, to lower shields without a direct order from Captain Kirk. Meanwhile, Ambassador Fox has beamed to Eminiar and is also taken prisoner, marked for death. Kirk and Spock escape and gain the council chambers where they destroy the computers. Kirk tells the council members that they have made this war too easy for themselves and that they will truly experience the horrors of war if they do not learn to make peace first. Ambassador Fox volunteers to stay behind and negotiate a peace between the neighboring planets.

Space Seed

Stardate: 3141.9

A piece of one of history's great puzzles falls into place when Kirk's crew comes across theS.S. Botany Bay, an old-style, pre-warp sleeper ship from Earth that contains several bodies in stasis. Amongst these bodies is Khan Noonien Singh, a genetically engineered strongman and one of the great leaders of Earth's Eugenics War of the 1990s. Although he disappeared without a trace then, once Khan is aroused from his long sleep he soon reveals the ambition, strength and intelligence that helped him conquer a quarter of the Earth.

Once aboard the Enterprise, Khan quickly befriends the beautiful Lieutenant Marla McGivers, the ship's historian who has a passion for strong-willed leaders. Together with his Botany Bay crew and new companion, they seize control of the Enterprise by capturing the engine room. Before it's too late, Marla has great misgivings about her newfound loyalties. With her help, Kirk and Spock regain control of the ship by flooding it with gas. Khan's men are soon overtaken and a due punishment is meted out. Khan and his crew, including Marla McGivers, are exiled to a planet where they must start life anew.

This Side of Paradise

Stardate: 3417.3

Expecting the colonists of Omicron Ceti III to be dead after three years of exposure to deadly Berthold rays, Kirk and Spock are surprised to find the colony alive and flourishing.

Spock beams to the surface and meets a young botanist, Leila Kalomi, that he'd worked with previously, and they renew the old friendship. When she worked with Spock six years before on Earth, Leila had tried to interest Spock romantically, and failed. Now she leads the Vulcan to a secluded section of the planet where a native plant sprays him with their spores. Leila tells Spock that the plant induces feelings of harmony and peace and love, along with a desire to remain on Omicron Ceti III and their paradise.

The spores serve to break down Spock's inhibitions and soon he has declared his love for Leila and his desire to remain on the planet. Some of the plants are beamed aboard the Enterprise and more of the crew are affected.

Captain Kirk, the last holdout, finally is affected by the power of the spores and discovers, through his own violent, adverse effect at leaving his beloved Enterprise, that strong, violent emotions are what reverse the effect of the spores.

Kirk manages to lure Spock back to the Enterprise where he goads Spock into a fight. The extra adrenaline in the Vulcan's system pushes the effect of the spores from Spock and he reverts to normal ... just short of killing Captain Kirk.

Using subsonic sound waves, the two officers manage to bring around the rest of the crew and colonists. Now that the colonists realize that the spores have prevented them from making any real progress and accomplishments, they plan to relocate where the plants do not grow.

The Devil in the Dark

Stardate: 3196.1

The Enterprise arrives to investigate reports of an unknown monster deep in the mining tunnels of Janus VI. The being is apparently destroying machinery and killing the miners, and has the ability to burrow through solid rock. Janus VI is a source for the rare mineral, pergium.

Soon after the landing party arrives on the planet's surface, a reactor pump is stolen and the colony is in jeopardy from fluctuating life support functions. However, this convinces Spock that they are dealing, not with a mindless monster, but with an intelligent lifeform.

Kirk and Spock, along with members of the ship's security team, enter the mines to find the creature. They discover a large, rock-like creature that burrows easily through the stone walls, as a mole might burrow through dirt. Wounded in a phaser blast, the bulky creature manages to escape through the stone wall.

They continue pursuit and eventually Kirk is trapped by the creature. When it doesn't attack, Spock attempts a Vulcan mind meld with the entity and discovers that it is, in fact, an intelligent being. A native of the planet, the creature is normally peaceful, and called a Horta. It doesn't mind sharing the planet with the miners, but when the men broke into the Horta's hatchery and unknowingly destroyed many of her eggs, it attacked to protect its remaining unborn children.

With Spock acting as interpreter, the miners explain that they thought the eggs were some king of silicon nodules and that no hostility had been meant.

McCoy treats the silicon-based creature with a trowel and patch material, and heals it. An alliance is formed between the Horta and the miners; the young, newly-hatched Hortas will mine the pergium at a far faster rate than the humans could and the miners will be extremely rich. Kirk retrieves the missing reactor and the landing party leaves the inhabitants of Janus VI living in peaceful co-existence.

Errand of Mercy

Stardate: 3198.4

Kirk and Spock beam down to the surface of planet Organia to negotiate for the erection of a Federation base on that planet. Hostilities between the nearby Klingon Empire and Federation have reached alarming heights and it is feared that the medieval culture of the Organians will not be able to withstand a Klingon attack. However, the Organian Council, comprised of five seemingly pleasant, benign elderly men, insist that they prefer to stay with their more primitive culture.

When Kor and his Klingon force attack the planet, Kirk and Spock go undercover as Organian and Vulcan traders. They are captured by the Klingons, and to their surprise, the Organians free them with ease. In turn, the Klingon ship and the Enterprise square off to battle in orbit of the planet.

Displeased by the outbreak of violence, the Organians reveal themselves to be powerful creatures of pure energy who easily neutralize the weapons on both ships, thus ending the threat for the moment.

Back on the Enterprise, Kirk feels certain that the Organians will not only take care of themselves in the future, but monitor their surroundings for any hint of hostilities.

The City on the Edge of Forever

Stardate: 3134

McCoy accidentally injects himself with an overdose of cordrazine, a drug which makes him exhibit signs of paranoia and madness, while treating an ailing Sulu on the Bridge. Delirious, he beams down to a nearby planet's surface, with Kirk and a landing party on his heels.

They are too late to stop the doctor from leaping through a living time machine called "The Guardian of Forever." At that moment, the Enterprise ceases to exist and the landing party is stranded. The Guardian explains that McCoy went back into Earth's history and changed it, thereby altering the future. Kirk and Spock go through the Guardian, to Depression-era America, a few days before McCoy is to arrive and change history.

They encounter a social worker, Edith Keeler, who helps them find work to pay for the equipment Spock requires to build a tricorder. Unknown to Kirk and Spock, Edith has taken in the recently-arrived and ill McCoy. Kirk promptly falls in love with Edith and is devastated when Spock completes his tricorder and discovers that in order to repair history, they must let Edith Keeler be killed in an auto accident. If they allow McCoy to save her, as he did before, she will start an effective pacifist movement that will delay the United States' entrance into World War II, thus allowing Hitler's Germany to develop the atomic bomb first and conquer the planet.

When the moment comes, a heartbroken Kirk stops McCoy from saving Edith, and the three officers journey back through the Guardian, where they find things as they should be again.

Operation: Annihilate!

Stardate: 3287.2

Arriving at the planet Deneva, home of Kirk's only brother Sam and his family, the Enterprise picks up a transmission from a Denevan pilot who has steered his craft into the sun to destroy some unknown menace.

Beaming down to the planet, Kirk finds his brother dead and Sam's wife in a fatal condition. Their only son, Peter, survives informing the landing party of what has occurred. It seems that Deneva has been infested with large, amoeba-like aliens that attack humans and intertwine their tentacles with the body's nervous system. They can move short distances through the air and use excruciating pain as a means of controlling their victims.

When Spock is attacked by one of the creatures, he uses his Vulcan mind control to overcome the pain and return to duty. However, a cure must be found; they must find a way to kill the parasite without harming its host.

Kirk remembers the pilot that flew into the sun and suggests that they may be sensitive to intense light. Spock volunteers to be McCoy's test patient and the doctor bombards him with light beams so strong that the Vulcan is blinded. Too late, the doctor realizes that only ultraviolet light is needed to kill the creatures.

Kirk sets off ultraviolet satellite flares over the planet Deneva, freeing its people from the parasites. Fortunately, Spock's blindness is temporary, due to a second eyelid developed by Vulcans to protect their eyes from the harsh sun on planet Vulcan.