Star Trek: The Original Series - Essential Episodes

Capt. Pike is held prisoner and tested by aliens who have the power to project incredibly lifelike illusions.

The flight recorder of the 200-year-old U.S.S. Valiant relays a tale of terror--a magnetic storm at the edge of the galaxy.

After the Enterprise is forced to destroy a dangerous marker buoy, a gigantic alien ship arrives to capture and condemn the crew as trespassers.

A transporter malfunction splits Captain Kirk into two halves: one meek and indecisive, the other violent and ill tempered. The remaining crew members stranded on the planet cannot be beamed up to the ship until a problem is fixed.

The crew is infected with a mysterious disease that removes people's emotional inhibitions to a dangerous degree.

The Enterprise must decide on its response when a Romulan ship makes a destructively hostile armed probe of Federation territory.

Kirk and psychiatrist Helen Noel are trapped on a maximum security penal colony that experiments with mind control and Spock must use the Vulcan mind-meld to find a way to save them.

Kirk draws a court martial in the negligent death of a crewman.

Spock kidnaps the disabled Capt. Pike, hijacks the Enterprise, and then surrenders for court martial.

At Spock's court martial, he explains himself with mysterious footage about when Capt. Pike was kidnapped by powerful illusion casting aliens.

For bringing hostility into their solar system, a superior alien race brings Captain Kirk into mortal combat against the reptilian captain of an alien ship he was pursuing.

The Enterprise is thrown back in time to 1960s Earth.

While on patrol in deep space, Captain Kirk and his crew find and revive a genetically-engineered world conqueror and his compatriots from Earth's Twentieth Century.

The Enterprise investigates a planet whose colonists should be dead, but are not.

The Enterprise is sent to a mining colony that is being terrorized by a mysterious monster, only to find that the situation is not that simple.

With a war with Klingons raging, Kirk and Spock attempt to resist an occupation of a planet with incomprehensibly placid natives.

When a temporarily insane Dr. McCoy accidentally changes history and destroys his time, Kirk and Spock follow him to prevent the disaster, but the price to do so is high.

The Federation clashes with the Klingon Empire over mining rights to Capella IV. A sudden coup between its warrior-minded inhabitants forces Kirk's party to flee with the now dead leader's pregnant wife.

In the throes of his Pon Farr mating period, Spock must return to Vulcan to meet his intended future wife, betrothed from childhood.

The USS Enterprise encounters the wrecked USS Constellation and its distraught commodore who's determined to stop the giant planet-destroying robot ship that killed his crew.

A powerful artificially intelligent Earth probe, with a murderously twisted imperative, comes aboard the Enterprise and mistakes Capt. Kirk for its creator.

A transporter accident places Captain Kirk's landing party in an alternate universe, where the Enterprise is in the service of a barbarically brutal empire.

Harry Mudd returns with a plot to take over the Enterprise by stranding the crew on a planet populated by androids under his command.

To protect a space station with a vital grain shipment, Kirk and the crew must deal with Federation bureaucrats, a Klingon battle cruiser and a peddler who sells furry, purring, voracious little creatures as pets.

The Enterprise hosts a number of quarrelling diplomats, including Spock's father, but someone on board has murder in mind.