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Star Trek

Season 2 1967 - 1968

  • 1967-09-16T00:30:00Z on NBC
  • 60 mins
  • 21 hours, 40 mins (26 episodes)
  • United States
  • English
  • Science Fiction, Fantasy, Drama, Action, Adventure

The second season of the original Star Trek aired Fridays at 8:30-9:30 pm on NBC from September 15, 1967 to March 29, 1968.


26 episodes

2x01 Amok Time

  • Season Premiere

    1967-09-16T00:30:00Z — 50 mins

Spock must go to Vulcan in order to perform the Vulcan mating ritual.

2x02 Who Mourns for Adonais?

  • 1967-09-23T00:30:00Z — 50 mins

The Enterprise encounters an alien who claims to be the Greek god Apollo.

2x03 The Changeling

  • 1967-09-30T00:30:00Z — 50 mins

The Enterprise encounters an ancient Earth probe bent on the sterilization of all life.

2x04 Mirror, Mirror

  • 1967-10-07T00:30:00Z — 50 mins

Kirk and three of his officers are accidentally transported into a parallel "mirror" universe where violence, greed, and evil are commonplace.

2x05 The Apple

  • 1967-10-14T00:30:00Z — 50 mins

Kirk attempts to assist a primitive people that are ruled over by a computer named Vaal.

2x06 The Doomsday Machine

  • 1967-10-21T00:30:00Z — 50 mins

The Enterprise must stop an ancient doomsday weapon that is capable of destroying entire worlds... and has already totalled one Constellation-class cruiser.

2x07 Catspaw

  • 1967-10-28T00:30:00Z — 50 mins

When a landing party disappears and one man is beamed up dead, Kirk and Spock investigate and meet a pair of aliens who seem capable of performing magic.

2x08 I, Mudd

  • 1967-11-04T01:30:00Z — 50 mins

The Enterprise is taken over by a group of androids who are working for Kirk's old nemesis, Harry Mudd.

2x09 Metamorphosis

  • 1967-11-11T01:30:00Z — 50 mins

When their shuttle is diverted to a planetoid, Kirk meets one of the pioneers of space flight, Zefram Cochrane.

2x10 Journey to Babel

  • 1967-11-18T01:30:00Z — 50 mins

Spock meets his estranged father when the Enterprise escorts a group of ambassadors to a conference on the planet Babel.

2x11 Friday's Child

  • 1967-12-02T01:30:00Z — 50 mins

Kirk, Spock, and McCoy land on a primitive planet to negotiate a mining treaty, but soon find themselves involved with intrigue and must flee with a pregnant woman into the surrounding mountains.

2x12 The Deadly Years

  • 1967-12-09T01:30:00Z — 50 mins

A landing party, including the command staff, are infected with a disease that causes rapid aging and senility.

2x13 Obsession

  • 1967-12-16T01:30:00Z — 50 mins

The Enterprise must deal with a creature from Kirk's past that feeds on human blood.

2x14 Wolf in the Fold

  • 1967-12-23T01:30:00Z — 50 mins

A serial killer stalks a planet... and Scotty is the prime suspect.

2x15 The Trouble With Tribbles

  • 1967-12-30T01:30:00Z — 50 mins

Kirk must defuse a Klingon scheme to destroy a grain shipment... and cope with a seemingly benign creature known as a tribble, which reproduces at amazing speed.

Kirk, Chekov, and Uhura are kidnapped and forced to participate in a series of gladiatorial games.

2x17 A Piece of the Action

  • 1968-01-13T01:30:00Z — 50 mins

The Enterprise travels to a planet suffering from cultural contamination from an earlier expedition - the inhabitants mimic the culture of 1930's gangland Chicago.

2x18 The Immunity Syndrome

  • 1968-01-20T01:30:00Z — 50 mins

The Enterprise must destroy an enormous space amoeba before it reproduces and threatens known space.

2x19 A Private Little War

  • 1968-02-03T01:30:00Z — 50 mins

Kirk becomes involved in an arms race when the Klingons equip a native people with superior weaponry.

2x20 Return to Tomorrow

  • 1968-02-10T01:30:00Z — 50 mins

The Enterprise discovers three discorporeal intelligences who seek their help in gaining physical bodies... but one of them has plans of his own.

2x21 Patterns of Force

  • 1968-02-17T01:30:00Z — 50 mins

The Enterprise seek out a historical researcher and discover he has contaminated a culture, rendering it into a near-duplicate of Nazi Germany.

2x22 By Any Other Name

  • 1968-02-24T01:30:00Z — 50 mins

The Enterprise's command crew must thwart an invasion by aliens from another galaxy who plan to conquer this one.

2x23 The Omega Glory

  • 1968-03-02T01:30:00Z — 50 mins

The Enterprise investigates the disappearance of another starship and discovers a planet where the inhabitants are immortal... and engaged in a strange parallel of Earth's Cold War period.

2x24 The Ultimate Computer

  • 1968-03-09T01:30:00Z — 50 mins

The Enterprise is used to test a new super-sophisticated computer, but it soon develops a mind of its own.

2x25 Bread and Circuses

  • 1968-03-16T01:30:00Z — 50 mins

The Enterprise investigates the disappearance of a merchant ship crew on a planet ruled by a twentieth-century incarnation of ancient Rome.

2x26 Assignment: Earth

  • 1968-03-30T01:30:00Z — 50 mins

The Enterprise is sent on a mission back to Earth in the year 1968, where the crew encounters the mysterious Gary Seven, who claims to have been sent by advanced beings to save the planet.