Season 2
26 episodes · first aired 1967-09-15
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Amok Time 1967-09-15 | First Officer Spock returns to his home world for a brutal Vulcan mating ritual. | 1967-09-15 | 8.4 |
 | 02 | Who Mourns for Adonais? 1967-09-22 | The crew of the Enterprise are held captive by an alien who turns out to be the Greek god Apollo. | 1967-09-22 | 6.7 |
 | 03 | The Changeling 1967-09-29 | The crew of the USS Enterprise deals with an indestructible planet-destroying space probe. | 1967-09-29 | 7.6 |
 | 04 | Mirror, Mirror 1967-10-06 | 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. | 1967-10-06 | 8.5 |
 | 05 | The Apple 1967-10-13 | The crew of the Enterprise visits a mysterious paradisical planet controlled by a computer that is served by the local inhabitants. | 1967-10-13 | 6.7 |
 | 06 | The Doomsday Machine 1967-10-20 | 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. | 1967-10-20 | 8.2 |
 | 07 | Catspaw 1967-10-27 | Two powerful aliens threaten the well-being of the Enterprise and her crew. | 1967-10-27 | 6.3 |
 | 08 | I, Mudd 1967-11-03 | 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. | 1967-11-03 | 7.3 |
 | 09 | Metamorphosis 1967-11-10 | A shuttle crew from the USS Enterprise encounters a man out of history and his mysterious alien companion. | 1967-11-10 | 7.1 |
 | 10 | Journey to Babel 1967-11-17 | The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose. | 1967-11-17 | 8.1 |
 | 11 | Friday's Child 1967-12-01 | The crew of the Enterprise become entangled in a planet's tribal power struggle. | 1967-12-01 | 6.8 |
 | 12 | The Deadly Years 1967-12-08 | Strange radiation exposes the command crew of the Enterprise to the effects of rapid aging. | 1967-12-08 | 7.4 |
 | 13 | Obsession 1967-12-15 | Captain James T. Kirk becomes obsessed with destroying a deadly entity he once encountered in his youth. | 1967-12-15 | 7.1 |
 | 14 | Wolf in the Fold 1967-12-22 | A series of bizarre murders points to Mr. Scott as the prime suspect. | 1967-12-22 | 7.1 |
 | 15 | The Trouble With Tribbles 1967-12-29 | The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles. | 1967-12-29 | 8.5 |
 | 16 | The Gamesters of Triskelion 1968-01-05 | Captain Kirk and his companions are abducted into slavery and trained to fight as gladiators for the gambling entertainment of three disembodied beings. | 1968-01-05 | 7.1 |
 | 17 | A Piece of the Action 1968-01-12 | The Enterprise visits a planet with an Earth-like 1920s gangster culture. | 1968-01-12 | 7.5 |
 | 18 | The Immunity Syndrome 1968-01-19 | The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy. | 1968-01-19 | 7.5 |
 | 19 | A Private Little War 1968-02-02 | 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. | 1968-02-02 | 7.1 |
 | 20 | Return to Tomorrow 1968-02-09 | Ancient alien minds are given control of Captain Kirk's and First Officer Spock's bodies. | 1968-02-09 | 7.5 |
 | 21 | Patterns of Force 1968-02-16 | The crew of the Enterprise tracks down a Federation observer on a planet dominated by a "Naziesque" regime. | 1968-02-16 | 7.7 |
 | 22 | By Any Other Name 1968-02-23 | Beings from another galaxy commandeer the Enterprise in an attempt to return home. | 1968-02-23 | 7.6 |
 | 23 | The Omega Glory 1968-03-01 | Captain Kirk must find the cure to a deadly disease and put an end to another Starfleet captain's cultural interference. | 1968-03-01 | 6.3 |
 | 24 | The Ultimate Computer 1968-03-08 | A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship. | 1968-03-08 | 8.0 |
 | 25 | Bread and Circuses 1968-03-15 | The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire. | 1968-03-15 | 7.0 |
 | 26 | Assignment: Earth 1968-03-29 | While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet. | 1968-03-29 | 7.4 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.