WHO MOURNS FOR ADONAIS?
EPISODE NUMBER - 202
AIR DATE - 09.22.67
GATEWORLD RATING - unrated
The crew is held captive by a powerful being who manifests himself in the form of the Greek god Adonais -- and demands that the crew worship him.

THE CHANGELING
EPISODE NUMBER - 203
AIR DATE - 09.29.67
GATEWORLD RATING - unrated
The Enterprise crew encounters a 200-year-old Earth probe, believed to be responsible for the destruction of an entire star system -- and brings it on board the ship.

MIRROR, MIRROR
EPISODE NUMBER - 204
AIR DATE - 10.06.67
GATEWORLD RATING - * * * *
A transporter accident sends Kirk, Scott, Uhura and McCoy to an alternate dimension, where the unscrupulous crew advance in rank through assassination, and the Enterprise is poised to destroy a world.

THE APPLE
EPISODE NUMBER - 205
AIR DATE - 10.13.67
GATEWORLD RATING - unrated
The crew finds a seemingly peaceful world controlled by a super-computer, where the very environment around them reveals itself to be deadly.

THE DOOMSDAY MACHINE
EPISODE NUMBER - 206
AIR DATE - 10.20.67
GATEWORLD RATING - * * * 1/2
The Enterprise faces an ancient planet killer that has entered our galaxy, and an unstable Federation commander tries to use the ship to stop it.

CATSPAW
EPISODE NUMBER - 207
AIR DATE - 10.27.67
GATEWORLD RATING - unrated
The Enterprise is threatened by a pair of aliens bent on conquest, who use a powerful device to instill terror in their victims.

I, MUDD
EPISODE NUMBER - 208
AIR DATE - 11.03.67
GATEWORLD RATING - * * 1/2
The crew finds galactic scoundrel Harry Mudd on an unnamed planet, where a group of androids cater to his every whim.

METAMORPHOSIS
EPISODE NUMBER - 209
AIR DATE - 11.10.67
GATEWORLD RATING - unrated
Kirk and crew discover a legendary Federation scientist -- believed to be long-dead, but kept alive for centuries by a formless alien entity.

JOURNEY TO BABEL
EPISODE NUMBER - 210
AIR DATE - 11.17.67
GATEWORLD RATING - * * * *
The Enterprise ferries a group of Federation diplomats to a peace conference, including Spock's father -- who falls deathly ill, forcing the Vulcan first officer to weigh the importance of his duty.

FRIDAY'S CHILD
EPISODE NUMBER - 211
AIR DATE - 12.01.67
GATEWORLD RATING - unrated
Kirk, Spock and McCoy arrive on an alien world to negotiate a mining treaty, but must protect the pregnant widow of the planet's murdered leader from a coup attempt. The Enterprise comes face-to-face with a Klingon war ship in orbit.

THE DEADLY YEARS
EPISODE NUMBER - 212
AIR DATE - 12.08.67
GATEWORLD RATING - unrated
The crew of the Enterprise is stricken with an illness that causes rapid aging, incapacitating even the command staff -- and leaving the ship vulnerable to Romulan attack.

OBSESSION
EPISODE NUMBER - 213
AIR DATE - 12.15.67
GATEWORLD RATING - unrated
Captain Kirk defies orders to pursue a blood-sucking cloud creature he believes to be responsible for the deaths of half his crew 11 years ago.

WOLF IN THE FOLD
EPISODE NUMBER - 214
AIR DATE - 12.22.67
GATEWORLD RATING - * * *
Multiple murders lead to an investigation by the Enterprise crew, with all evidence pointing to Scotty as the perpetrator.

THE TROUBLE WITH TRIBBLES
EPISODE NUMBER - 215
AIR DATE - 12.29.67
GATEWORLD RATING - * * * *
The Enterprise crew arrives on a space station to defend it from a possible Klingon attack -- but find that the biggest threat may come from a mass of gentle, furry creatures.

THE GAMESTERS OF TRISKELION
EPISODE NUMBER - 216
AIR DATE - 01.05.68
GATEWORLD RATING - unrated
Kirk is forced to fight a group of alien prisoners in an arena, while those who enslave them -- and his crew -- gamble on the outcome.

A PIECE OF THE ACTION
EPISODE NUMBER - 217
AIR DATE - 01.12.68
GATEWORLD RATING - * * * 1/2
The crew find a civilization that has modeled itself after mobsters of 1920's Earth, and Kirk and Spock must play their roles in order to end a lifestyle of constant violence.

THE IMMUNITY SYNDROME
EPISODE NUMBER - 218
AIR DATE - 01.19.68
GATEWORLD RATING - unrated
The Enterprise encounters a giant space amoeba believed to be responsible for the destruction of a Federation starship -- and an entire solar system. Kirk must choose between Spock and McCoy for a suicide mission.

A PRIVATE LITTLE WAR
EPISODE NUMBER - 219
AIR DATE - 02.02.68
GATEWORLD RATING - * * 1/2
Kirk returns to a primitive, peaceful world he visited once before, only to discover that the Klingons have armed a tribe in conflict with his friend's.

RETURN TO TOMORROW
EPISODE NUMBER - 220
AIR DATE - 02.09.68
GATEWORLD RATING - * * * 1/2
The Enterprise picks up a group of disembodied aliens, who are allowed to assume the bodies of three of the crew in order to construct new forms of their own -- though they may not be willing to give them up.

PATTERNS OF FORCE
EPISODE NUMBER - 221
AIR DATE - 02.16.68
GATEWORLD RATING - unrated
The Enterprise investigates the disappearance of a Federation historian, and the crew discovers that the world he is on has shaped itself in the oppressive image of Nazi Germany.

BY ANY OTHER NAME
EPISODE NUMBER - 222
AIR DATE - 02.23.68
GATEWORLD RATING - * * *
The Enterprise is hijacked by a group of explorers from another galaxy, who intend to use the ship to make the long journey back home -- and turn most of the crew into small mineral blocks.

THE OMEGA GLORY
EPISODE NUMBER - 223
AIR DATE - 03.01.68
GATEWORLD RATING - * *
Kirk and Spock find themselves in the middle of a civil war, perpetuated by a rogue Federation captain.

THE ULTIMATE COMPUTER
EPISODE NUMBER - 224
AIR DATE - 03.08.68
GATEWORLD RATING - unrated
The Enterprise is chosen to be the test ship for a new, highly-advanced computer -- which proceeds to take control of the vessel and lead it into a deadly war games scenario.

BREAD AND CIRCUSES
EPISODE NUMBER - 225
AIR DATE - 03.15.68
GATEWORLD RATING - unrated
Kirk, Spock and McCoy are captured by a Romanesque civilization while investigating the destruction of a Federation ship, and are forced to fight in a gladiator arena for the local population's entertainment.

ASSIGNMENT: EARTH
EPISODE NUMBER - 226
AIR DATE - 03.29.68
GATEWORLD RATING - * 1/2
The Enterprise travels back to 20th century Earth, and finds a man from an alien world attempting to manipulate human history -- who claims to be preventing Earth from destroying itself.