September 8, 1966 • 50m
Kirk and his crew are at deadly risk from an alien creature that feeds on the salt in a human body and can take on any form.
September 15, 1966 • 51m
Charlie Evans, the sole survivor of a transport crash, is transferred to the Enterprise from a different ship. Why are they so eag...Read more
September 22, 1966 • 51m
While exploring the edge of the galaxy, the Enterprise encounters an energy barrier that gives some crewmen strange powers.
September 29, 1966 • 51m
A strange alien substance causes the crew to lose their inhibitions.
October 6, 1966 • 50m
A transporter malfunction causes Captain Kirk to split into his "good" and "evil" selves, and a landing party will freeze to death...Read more
October 13, 1966 • 50m
The Enterprise picks up a intergalactic conman, Harry Mudd, and three incredibly beautiful women who harbor a dark secret.
October 20, 1966 • 50m
Nurse Christine Chapel is reunited with her old fiance on Exo III, but the scientist has plans for Captain Kirk and the Federation.
October 27, 1966 • 50m
Kirk and a landing party are stranded on a planet due to a disease that causes any adult to die a painful death, and must deal wit...Read more
November 3, 1966 • 50m
Kirk investigates an experimental facility for holding prisoners and finds a sinister scheme.
November 10, 1966 • 50m
The Enterprise encounters a vast alien ship that threatens the Enterprise with destruction.
November 17, 1966 • 49m
Spock kidnaps his former captain, the crippled Christopher Pike, and heads for a quarantined planet, putting his career and Kirk's life on the line.
November 24, 1966 • 50m
Spock's court-martial continues as he attempts to justify his abduction of Pike, the theft of the Enterprise, and his heading for ...Read more
December 8, 1966 • 50m
Kirk is one of the last survivors who can identify a mass killer, who lurks among a Shakespearean troupe aboard the Enterprise.
December 15, 1966 • 50m
Kirk pits the Enterprise against an invisible spaceship testing the Federation's defenses.
December 29, 1966 • 50m
The Enterprise crew take shore leave on a peaceful, pastoral planet... where their dreams and fantasies come to life.
January 5, 1967 • 50m
Spock commands a stranded away team when their shuttlecraft is stranded on a planet with hostile natives.
January 12, 1967 • 50m
The Enterprise finds itself at the mercy of a seemingly omnipotent being who fancies himself an 18th century Englishman.
January 19, 1967 • 51m
When a mysterious alien race destroy an Earth colony, the Enterprise pursues, but Kirk and the alien captain are forced to fight e...Read more
January 26, 1967 • 50m
In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.
February 2, 1967 • 50m
Captain Kirk's career is at stake when he is put on trial for the loss of a crewman during an ion storm.
February 9, 1967 • 50m
The Enterprise encounters a seemingly peaceful civilization run by a "benevolent" being named Landru... who intends for them to join his people.
February 16, 1967 • 50m
The Enterprise picks up a crew of genetic supermen from the 20th century... and their leader, Khan, plans to create a new empire.
February 23, 1967 • 50m
The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war that threa...Read more
March 2, 1967 • 50m
The Enterprise crew try to rescue colonists from deadly radiation, but instead encounter strange alien spores that seem to offer paradise.
March 9, 1967 • 50m
Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.
March 23, 1967 • 50m
The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabited by pacif...Read more
March 30, 1967 • 51m
Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.
April 6, 1967 • 50m
Kirk and Spock must travel into the past in order to correct a change that will alter history.
April 13, 1967 • 50m
Kirk and the Enterprise must combat parasitic aliens threatening the lives of millions.