Season 1
The Cage (Black & White)
Capt. Pike is held prisoner and tested by aliens who have the power to project incredibly life like illusions
MegauploadWhere No Man Has Gone Before
The flight recorder of the 200-year-old U.S.S. Valiant relays a tale of terror--a magnetic storm at the edge of the galaxy!
MegauploadOperation- Annihilate
The Enterprise crew attempt to stop a plague of amoeba-like creatures from possessing human hosts and spreading throughout the galaxy
MegauploadMudds Women
The Enterprise picks up untrustworthy entrepreneur Harry Mudd accompanied by three beautiful women who immediately put a spell on all the male crew members.
MegauploadThe Enemy Within
A transporter malfunction splits Captain Kirk into two halves: one meek and indecisive, the other violent and ill tempered. The remaining crew members stranded on the planet cannot be beamed up to the ship until a the problem is fixed.
MegauploadThe Man Trap
In the series premiere (this was the first episode of Star Trek aired but not filmed), the Enterprise visits planet M-113 where scientist Dr Crater and his wife Nancy, an old girl-friend of Dr McCoy, are studying the remains of an ancient civilization. The Enterprise is charged with resupplying the couple, and Dr McCoy must give them medical exams. Shortly after their arrival, however, crewmen start turning up dead, drained of salt, and left with unusual red marks on their faces. Someone is not who they appear to be, and Kirk and Spock must unravel the clues to discover why, how, and who is responsible.
MegauploadThe Naked Time
The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree
MegauploadBalance Of Terror
The Enterprise must decide on their response when a Romulan ship makes a destructively hostile armed probe of Federation territory.
MegauploadWhat Are Little Girls Made Of
Kirk and Christine Chapel beam down to Exo III, looking to find her missing fiancée Roger Korby. They find him being protected by the ancient android Ruk and assisted by the beautiful Andrea. Korby has become obsessed with the possibilities of Android replacements and produces an android duplicate of Kirk to prove his point
MegauploadDagger Of The Mind
Kirk and psychiatrist Helen Noel are trapped on a maximum security penal colony that experiments with mind control and Spock must use the Vulcan mind-meld to find a way to save them.
MegauploadMiri
The Enterprise visits a Earth-duplicate planet that's been in ruins for 300 years. Amazingly, they find it populated with children who are as old as the ruins. Then, the landing party discovers why they're so old: a disease that vastly slows the aging process, but then quickly kills once the person reaches puberty. It's also infected the landing party, who cannot return to the Enterprise and only have a week to live. The children are very distrustful of the "grups" (grown-ups). They use one of their own, a girl named Miri, to gain the landing party's trust, then betray them and ruin whatever hopes they have to find a cure.
MegauploadThe Conscience Of The King
While Captain Kirk investigates whether an actor is actually a presumed dead mass murderer, a mysterious assailant is killing the people who could identify the fugitive.
MegauploadThe Galileo Seven
The Galileo Seven, under Spock's command, crash-lands on a hostile planet and, as the Enterprise races against time to find the shuttle craft, Spock's strictly logical leadership clashes with the fear and resentment of his crew
MegauploadCourt-Martial
Kirk draws a court martial in the negligent death of a crewman.
MegauploadThe Menagerie, part I
While visiting a Starbase, the Enterprise is hijacked by Mr. Spock, leaving Captain Kirk but taking Fleet Captain Pike, the ship's former commander, recently crippled by an accident. The destination: Talos IV, a planet off limits by Federation order since the Enterprise encountered it years ago. When Kirk and the Starbase commander intercept the Enterprise, Commodore Mendez convenes a court martial for Spock's apparent treachery. Spock's only defense is a video stream from Talos IV of Pike's imprisonment by the Talosians, a dying race who use their power of illusion to lure "specimens" into captivity and then study their reactions to simulated events. As they view the ordeal from the Enterprise's past, Kirk and the court must decide whether to convict Spock of mutiny.
MegauploadThe Menagerie, part II
Spock's court martial views the video stream from Talos IV of Captain Pike's imprisonment 13 years earlier and the Enterprise's attempts to rescue him. Using their powers mind-reading and illusion, the Talosians place Pike in worlds from both his memory and his imagination. The one constant is Vina, the beautiful blonde survivor of a crashed Earth ship, the other half of the Talosians' intended captive Adam and Eve. Number One's attempts to liberate Pike result in herself and another woman captured as additional breeding stock. But when the humans and the Talosians learn more of each other, the situation takes a turn neither side expects. As they watch the past unfold, and as the Enterprise approaches Talos IV once again, Kirk and the court learn the real reason for Spock's mutiny
MegauploadShore Leave
The past three months has left the crew of the Enterprise exhausted and in desperate need of a break, but does this explain McCoy's encounter with a human-sized white rabbit or Kirk crossing paths with the prankster who plagued his days at Starfleet Academy?
MegauploadThe Squire of Gothos
A being that controls matter and creates planets wants to play with the Enterprise crew.
MegauploadArena
When an alien race known as the Gorn destroys an Earth colony, the Enterprise pursues the fleeing Gorn vessel until another race of powerful aliens intervene and force Captain Kirk and the Gorn captain to face off in one on one combat in which the winner will be released and the loser, his ship and his crew destroyed.
MegauploadThe Alternative Factor
While investigating and scanning an uncharted planet the Enterprise and their quadrant of space has been subjected to a violent force which seems to have caused a 'blinking out' of everything near them. When the scan is resumed where once there was no life now there is a life sign on the planet and Kirk, Spock and a security force beam down to investigate and find a man named Lazarus who collapses and is brought aboard Enterprise for treatment. To complicate things further the phenomenon has almost totally drained their dilithium crystals. Starfleet and Kirk suspect that the phenomenon could be a prelude to invasion. While interrogating Lazarus he tells Kirk that he is locked in a struggle with another being who is 'anti life' and is behind the phenomenon. The disruptions continue to occur and the ship's situation grows worse.
MegauploadTomorrow Is Yesterday
The Enterprise is thrown back in time to 1960s Earth.
MegauploadThe Return Of The Archons
The Enterprise travels to Beta 2 to learn the fate of the U.S.S. Archon, gone missing a century earlier. One member of the landing party disappears, and one returns in a strangely blissful state. Kirk beams down with another landing party; amidst the chaos of "Festival" their hosts asks if they are "Archons." To learn more, Kirk must convince Betan citizens to disobey Landru, the man who has ruled them for 6,000 years - or find those who already resist. But with the Lawgivers everywhere, that task is going to be difficult...
MegauploadA Taste Of Armageddon
Kirk and Spock must save their ship's crew when they are declared all killed in action in a bizarre computer simulated war where the actual deaths must occur to continue.
MegauploadSpace Seed
The Enterprise finds a 20th century spaceship which contains dozens of people in suspended animation. While investigating, one of the people is revived automatically. His name is Khan
MegauploadThis Side Of Paradise
The Enterprise is ordered to Omicron Ceti III, believed to be under constant irradiation from deadly Berthold Rays, in order to evacuate all the colonists.
MegauploadThe Devil In The Dark
The Enterprise is sent to a mining colony that is being terrorized by a mysterious monster.
MegauploadErrand Of Mercy
War! The Klingons and the Federation are poised on the brink, and then war is declared. Kirk and Spock visit the planet Organia. Organia, inhabited by simple pastoral folk, lies on a tactical corridor likely to be important in the coming conflict. Whichever side controls the planet has a significant advantage. But the Organians are a perplexing people, apparently unconcerned by the threat of the Klingon occupation or even the deaths of others in their community. Finally, Kirk and the Klingon commander Kor learn why, and the reason will change Federation/Klingon relations for decades to come...
MegauploadThe City On The Edge Of Forever
When a temporarily maddened Dr. McCoy alters history and eliminates his time, Kirk and Spock follow him to prevent it, but the price to do so is high
MegauploadFixed