Episode
Star Trek: The Alternative Factor
Overview
Kirk and Spock encounter an alien named Lazarus who claims to be from an anti-matter universe.
Details
- Series
- Star Trek
- Season
- Season 1
- Episode
- Episode 27
- Air date
- 1967-03-30
- Runtime
- 51 min
Episode context
The Alternative Factor is Episode 27 in Season 1 of Star Trek. It aired on 1967-03-30. The runtime is 51 min.
Previous / Next
Episode 26: Errand of Mercy
The Federation and the Klingon Empire teeter on the brink of war as Kirk investigates Organia, a humble planet, inhabited by pacifists, that is unwittingly caught in the middle.
Episode 28: The City on the Edge of Forever
Kirk and Spock must travel into the past in order to correct a change that will alter history.
More episodes from this season
Episode 25: The Devil in the Dark
Kirk investigates a series of grisly murders on a mining planet that are the work of a seemingly hostile alien creature.
Episode 29: Operation: Annihilate!
Kirk and the Enterprise must combat parasitic aliens threatening the lives of millions.
Episode 24: This Side of Paradise
The Enterprise crew try to rescue colonists from deadly radiation, but instead encounter strange alien spores that seem to offer paradise.
Episode 23: A Taste of Armageddon
The Enterprise arrives at a planet to establish diplomatic relations and finds itself in the middle of a "peaceful" war that threatens to destroy the ship.
Episode 22: Space Seed
The Enterprise picks up a crew of genetic supermen from the 20th century... and their leader, Khan, plans to create a new empire.
Episode 21: The Return of the Archons
The Enterprise encounters a seemingly peaceful civilization run by a "benevolent" being named Landru... who intends for them to join his people.
Episode 20: Court Martial
Captain Kirk's career is at stake when he is put on trial for the loss of a crewman during an ion storm.
Episode 19: Tomorrow Is Yesterday
In a freak accident the Enterprise is sent back to 20th century Earth, and must find their way back without changing history.
Episode 18: Arena
With both their ships held captive by powerful beings, Kirk and the captain of the alien vessel are placed on an asteroid to fight for their lives and the lives of their crews.
Episode 17: The Squire of Gothos
Encountering an uncharted planet in an empty region of space, Kirk and his crew are entertained by Trelane, a playful being who lacks the self-control to wield his great psionic powers with discipline.