The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy. Air Date : 19th-Jan-1968

First Officer Spock returns to his home world for a brutal Vulcan mating ritual. Air Date : 15th-Sep-1967  Read More

The crew of the Enterprise are held captive by an alien who turns out to be the Greek god Apollo. Air Date : 22nd-Sep-1967  Read More

The crew of the USS Enterprise deals with an indestructible planet-destroying space probe. Air Date : 29th-Sep-1967  Read More

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. Air Date : 6th-Oct-1967  Read More

The crew of the Enterprise visits a mysterious paradisical planet controlled by a computer that is served by the local inhabitants. Air Date : 13th-Oct-1967  Read More

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. Air Date : 20th-Oct-1967  Read More

Two powerful aliens threaten the well-being of the Enterprise and her crew. Air Date : 27th-Oct-1967  Read More

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. Air Date : 3rd-Nov-1967  Read More

A shuttle crew from the USS Enterprise encounters a man out of history and his mysterious alien companion. Air Date : 10th-Nov-1967  Read More

The Enterprise must transport dignitaries to a peace conference, with an assassin on the loose. Air Date : 17th-Nov-1967  Read More

The crew of the Enterprise become entangled in a planet's tribal power struggle. Air Date : 1st-Dec-1967  Read More

Strange radiation exposes the command crew of the Enterprise to the effects of rapid aging. Air Date : 8th-Dec-1967  Read More

Captain James T. Kirk becomes obsessed with destroying a deadly entity he once encountered in his youth. Air Date : 15th-Dec-1967  Read More

A series of bizarre murders points to Mr. Scott as the prime suspect. Air Date : 22nd-Dec-1967  Read More

The Enterprise must protect a very important shipment of grain from both Klingons and some adorable creatures called tribbles. Air Date : 29th-Dec-1967  Read More

Captain Kirk and his companions are abducted into slavery and trained to fight as gladiators for the gambling entertainment of three disembodied beings. Air Date : 5th-Jan-1968  Read More

The Enterprise visits a planet with an Earth-like 1920s gangster culture. Air Date : 12th-Jan-1968  Read More

The crew of the Enterprise encounters an energy-draining field which may be able to destroy the galaxy. Air Date : 19th-Jan-1968  Read More

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. Air Date : 2nd-Feb-1968  Read More

Ancient alien minds are given control of Captain Kirk's and First Officer Spock's bodies. Air Date : 9th-Feb-1968  Read More

The crew of the Enterprise tracks down a Federation observer on a planet dominated by a "Naziesque" regime. Air Date : 16th-Feb-1968  Read More

Beings from another galaxy commandeer the Enterprise in an attempt to return home. Air Date : 23rd-Feb-1968  Read More

Captain Kirk must find the cure to a deadly disease and put an end to another Starfleet captain's cultural interference. Air Date : 1st-Mar-1968  Read More

A skeleton Enterprise crew are assigned to test a revolutionary computer system that is given total control of the ship. Air Date : 8th-Mar-1968  Read More

The Enterprise crew investigates the disappearance of a ship's crew on a planet that is a modern version of the Roman Empire. Air Date : 15th-Mar-1968  Read More

While back in time observing Earth in 1968, the Enterprise crew encounters the mysterious Gary Seven who has his own agenda on the planet. Air Date : 29th-Mar-1968  Read More