THE ENTERPRISE INCIDENT
EPISODE NUMBER - 302
AIR DATE - 09.27.68
GATEWORLD RATING - * * * *
Captain Kirk takes the ship on a dangerous, secret mission into Romulan space, in an attempt to acquire a cloaking device. Spock's loyalties are tested by a beautiful Romulan commander.

THE PARADISE SYNDROME
EPISODE NUMBER - 303
AIR DATE - 10.04.68
GATEWORLD RATING - * * * 1/2
Kirk is stranded on a primitive world when an alien device strikes him with amnesia. As the captain falls in love and becomes a part of the natives' world, the Enterprise searches for a way to save the planet from an asteroid collision.

AND THE CHILDREN SHALL LEAD
EPISODE NUMBER - 304
AIR DATE - 10.11.68
GATEWORLD RATING - unrated
The Enterprise finds a group of children who have survived a mass-suicide, with help from a powerful alien entity -- who leads them in taking over the ship to find a new planet for him to control.

IS THERE IN TRUTH NO BEAUTY?
EPISODE NUMBER - 305
AIR DATE - 10.18.68
GATEWORLD RATING - unrated
The Enterprise hosts a Medusan ambassador, whose physical appearance causes madness in humans. But when a distraught scientist maroons the ship beyond our galaxy, Spock must mind-meld with the alien to find the way home.

SPECTRE OF THE GUN
EPISODE NUMBER - 306
AIR DATE - 10.25.68
GATEWORLD RATING - unrated
After trespassing into Melkotian space, Kirk and four of the crew find themselves in an alien-created reinactment of the deadly battle at the OK Corral.

DAY OF THE DOVE
EPISODE NUMBER - 307
AIR DATE - 11.01.68
GATEWORLD RATING - unrated
Captain Kirk is forced to bring a group of angry Klingons on board, which quickly escalates into a battle for control of the ship -- with both groups being manipulated by a malevolent alien entity.

FOR THE WORLD IS HOLLOW AND I HAVE TOUCHED THE SKY
EPISODE NUMBER - 308
AIR DATE - 11.08.68
GATEWORLD RATING - unrated
The crew rushes to save from destruction a civilization made inside an asteroid, as Dr. McCoy faces a terminal illness with no known cure.

THE THOLIAN WEB
EPISODE NUMBER - 309
AIR DATE - 11.15.68
GATEWORLD RATING - * * * *
The Enterprise investigates a starship that is phasing out of existence, and Captain Kirk is lost. A pair of Tholian ships attack as a mysterious illness threatens to drive the crew insane.

PLATO'S STEPCHILDREN
EPISODE NUMBER - 310
AIR DATE - 11.22.68
GATEWORLD RATING - * * 1/2
A group of super-powerful aliens take control of the crew for their own amusement. Kirk and the others must discover the source of their amazing powers if they are to counter them.

WINK OF AN EYE
EPISODE NUMBER - 311
AIR DATE - 11.29.68
GATEWORLD RATING - unrated
An alien species attempts to use the Enterprise crew to save their dying race, drawing Captain Kirk into their own rapidly-accelerated state of existence.

THE EMPATH
EPISODE NUMBER - 312
AIR DATE - 12.06.68
GATEWORLD RATING - unrated
Kirk, Spock and McCoy are captured and brought to an alien laboratory, where they are tortured one-by-one in order to test a beautiful, empathic healer's capacity for self-sacrifice.

ELAAN OF TROYIUS
EPISODE NUMBER - 313
AIR DATE - 12.20.68
GATEWORLD RATING - unrated
When the Enterprise ferries a reluctant bride to her wedding with the leader of a warring planet, Kirk attempts to educate her in the ways of her new culture. But a Klingon attack threatens the peace her marriage would bring.

WHOM GODS DESTROY
EPISODE NUMBER - 314
AIR DATE - 01.03.69
GATEWORLD RATING - unrated
Kirk and Spock deliver a new medicine to a subterranean prison for the criminally insane, only to find out that one of the prisoners -- once a starship captain -- has taken over.

LET THAT BE YOUR LAST BATTLEFIELD
EPISODE NUMBER - 315
AIR DATE - 01.10.69
GATEWORLD RATING - unrated
Two alien men come on board the Enterprise, bringing their war of racial bigotry with them. Kirk tries to mediate the conflict, but his patience runs out when one of them attempts to seize control of the ship.

THE MARK OF GIDEON
EPISODE NUMBER - 316
AIR DATE - 01.17.69
GATEWORLD RATING - unrated
While on a diplomatic mission to a world free of disease -- but plagued by over-population -- Kirk finds himself alone with a woman on a precise replica of the Enterprise.

THAT WHICH SURVIVES
EPISODE NUMBER - 317
AIR DATE - 01.24.69
GATEWORLD RATING - unrated
Kirk and his crew must defend the ship -- and their very lives -- from the touch of a mysterious woman bent on their destruction.

THE LIGHTS OF ZETAR
EPISODE NUMBER - 318
AIR DATE - 01.31.69
GATEWORLD RATING - unrated
The Federation's central library facility is wiped out by non-corporeal entities, who seek out the Enterprise and take the body of a young lieutenant as a host.

REQUIEM FOR METHUSELAH
EPISODE NUMBER - 319
AIR DATE - 02.14.69
GATEWORLD RATING - unrated
The crew is infected with a deadly plague, and seek the antidote from a world inhabited solely by an enchanting woman and a man straight out of Earth's history.

THE WAY TO EDEN
EPISODE NUMBER - 320
AIR DATE - 02.21.69
GATEWORLD RATING - unrated
The Enterprise pursues a vessel stolen by a group searching for a mythical paradise world, and bring them aboard when their ship is destroyed.

THE CLOUD MINDERS
EPISODE NUMBER - 321
AIR DATE - 02.28.69
GATEWORLD RATING - unrated
Seeking the cure to a planet-wide plague, Captain Kirk and his crew find themselves in the middle of a conflict between the miners of Ardana and the ruling class, who live in a city in the clouds.

THE SAVAGE CURTAIN
EPISODE NUMBER - 322
AIR DATE - 03.07.69
GATEWORLD RATING - * * *
An alien creature locks the Enterprise crew in combat with history's most notorious villains in a test of good versus evil, conjuring great heroes from the past to fight along side them.

ALL OUR YESTERDAYS
EPISODE NUMBER - 323
AIR DATE - 03.14.69
GATEWORLD RATING - unrated
The Enterprise discovers a massive library on a deserted world where the sun is about to go nova, and Kirk, Spock and McCoy are accidentally sent into dangerous periods in the planet's history.

TURNABOUT INTRUDER
EPISODE NUMBER - 324
AIR DATE - 06.03.69
GATEWORLD RATING - unrated
Kirk's jealous former lover secretly exchanges bodies with the captain, allowing her to finally command a starship -- and trapping him in her radiation-stricken body.