Star Trek - Season 2
1 - Amok Time
Air Date: September 15, 1967
First Officer Spock returns to his home world for a brutal Vulcan mating ritual.
2 - Who Mourns for Adonais?
Air Date: September 22, 1967
The crew of the Enterprise are held captive by an alien who turns out to be the Greek god Apollo.
3 - The Changeling
Air Date: September 29, 1967
The crew of the USS Enterprise deals with an indestructible planet-destroying space probe.
4 - Mirror, Mirror
Air Date: October 6, 1967
A transporter mishap swaps Captain Kirk and his companions with their evil counterparts in a parallel universe. In the so-called Mirror Universe, the Enterprise is a ship of the Terran Empire, an organization as evil as the United Federation of Planets is benevolent.
5 - The Apple
Air Date: October 13, 1967
The crew of the Enterprise visits a mysterious paradisical planet controlled by a computer that is served by the local inhabitants.
6 - The Doomsday Machine
Air Date: October 20, 1967
The starship Enterprise and its heavily-damaged sister ship, the USS Constellation, must work together to stop an alien planet-killing machine headed for the heart of Federation territory.
7 - Catspaw
Air Date: October 27, 1967
Two powerful aliens threaten the well-being of the Enterprise and her crew.
8 - I, Mudd
Air Date: November 3, 1967
Captain Kirk has a second run-in with the conman, Harry Mudd. Mudd is now the supreme ruler of a planet of androids who cater to his every whim.
9 - Metamorphosis
Air Date: November 10, 1967
A shuttle crew from the USS Enterprise encounters a man out of history and his mysterious alien companion.
10 - Journey to Babel
Air Date: November 17, 1967
The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose.
11 - Friday's Child
Air Date: December 1, 1967
The crew of the Enterprise become entangled in a planet's tribal power struggle.
12 - The Deadly Years
Air Date: December 8, 1967
Strange radiation exposes the command crew of the Enterprise to the effects of rapid aging.
13 - Obsession
Air Date: December 15, 1967
Captain James T. Kirk becomes obsessed with destroying a deadly entity he once encountered in his youth.
14 - Wolf in the Fold
Air Date: December 22, 1967
A series of bizarre murders points to Mr. Scott as the prime suspect.
15 - The Trouble With Tribbles
Air Date: December 29, 1967
The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles.
16 - The Gamesters of Triskelion
Air Date: January 5, 1968
Captain Kirk and his companions are abducted into slavery and trained to fight as gladiators for the gambling entertainment of three disembodied beings.
17 - A Piece of the Action
Air Date: January 12, 1968
The Enterprise visits a planet with an Earth-like 1920s gangster culture.
18 - The Immunity Syndrome
Air Date: January 19, 1968
The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy.
19 - A Private Little War
Air Date: February 2, 1968
The crew of the Enterprise discovers Klingon interference in the development of a formerly peaceful planet and is forced to help maintain a balance of power.
20 - Return to Tomorrow
Air Date: February 9, 1968
Ancient alien minds are given control of Captain Kirk's and First Officer Spock's bodies.
21 - Patterns of Force
Air Date: February 16, 1968
The crew of the Enterprise tracks down a Federation observer on a planet dominated by a "Naziesque" regime.
22 - By Any Other Name
Air Date: February 23, 1968
Beings from another galaxy commandeer the Enterprise in an attempt to return home.
23 - The Omega Glory
Air Date: March 1, 1968
Captain Kirk must find the cure to a deadly disease and put an end to another Starfleet captain's cultural interference.
24 - The Ultimate Computer
Air Date: March 8, 1968
A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship.
25 - Bread and Circuses
Air Date: March 15, 1968
The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire.
26 - Assignment: Earth
Air Date: March 29, 1968
While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet.