The Alternative Factor
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|"The Alternative Factor"|
|Star Trek: The Original Series episode|
|Episode no.||Season 1
|Directed by||Gerd Oswald|
|Written by||Don Ingalls|
|Featured music||Alexander Courage|
|Cinematography by||Jerry Finnerman|
|Original air date||March 30, 1967|
|List of Star Trek: The Original Series episodes|
"The Alternative Factor" is a first season episode of the original science fiction television series Star Trek. It is episode #27, production #20, and was broadcast on March 30, 1967. The episode was written by Don Ingalls, and directed by Gerd Oswald.
On stardate 3087.6, the Federation starship USS Enterprise, under the command of Captain James T. Kirk, completes a mapping assignment of an uninhabited planet near Starbase 200. As the crew prepares to depart, the Enterprise is rocked by an energy pulse. Science Officer Spock informs Kirk that the gravity pull of the planet fluctuated to zero and says that the surrounding space seemed to momentarily "wink" out of existence.
Sensors locate a human presence on the planet that wasn't there before. Spock and Kirk beam down to the planet and find a one-man spacecraft. A disheveled, bearded man appears and accidentally slips off a cliff. The man survives the fall but is injured, and Kirk has him beamed to the Enterprise for examination.
Back on the ship, the engine room operator, Lt. Masters, informs Captain Kirk that the mysterious disturbance drained the dilithium crystals in the warp core. A message from Starfleet reports that every quadrant of the Milky Way, and even beyond, has been subjected to the same winking effect and following electronic disruption as the Enterprise. Starfleet fears that the disruption of the equipment may be a prelude to an invasion and has ordered all ships within 100 parsecs—except the Enterprise—to leave the area. Kirk is ordered to find the cause of the disturbance, alone.
Chief Medical Officer Dr. McCoy notifies Kirk that the fallen man is now awake, and Kirk questions him. Kirk learns that the man, who calls himself Lazarus, is chasing down the "monster" who destroyed his civilization. He describes his nemesis as a murdering beast, existing only to destroy. Periodically, Lazarus fades in and out of existence, encountering his adversary in a kind of dimensional corridor. Each time he does so, another energy wink occurs that ripples through the universe.
Kirk takes Lazarus to the bridge when Spock reports an amazing discovery on the planet: a "rip" in space and time has formed near where Lazarus was found. Lazarus insists that his enemy is trying to destroy the universe and is causing the phenomenon. He demands that Kirk give him some dilithium crystals so that he may fix his ship and continue to fight his enemy. Kirk refuses, but Lazarus plots to steal some dilithium from the ship's engines. When he does, Kirk takes Lazarus to the briefing room for interrogation. Lazarus denies doing it, saying his enemy must have stolen it.
Kirk beams back to the planet with Lazarus and a security team to seek this "hidden" enemy. Lazarus has another dimensional episode and is returned to sickbay, where Kirk follows to demand the truth. Lazarus explains that he is a time traveler, and the planet below was once his homeworld. He claims his enemy counterpart destroyed his civilization in the past, for which Lazarus chased him for centuries.
Spock concludes that Lazarus's enemy is an "anti-Lazarus", possibly from a parallel "antimatter" dimension. If Lazarus and his anti-self contact each other within either physical universe, they would destroy each other and annihilate both universes.
Lazarus is prepared to continue his mission. Slipping from sickbay, he creates a diversion in engineering to acquire the dilithium. With the stolen crystals, he beams down to the planet to repair his ship. Kirk follows, but Lazarus activates his time machine just as Kirk tries to stop him. Stepping into the portal, Kirk is accidentally teleported to the other anti-dimension where he encounters the anti-Lazarus.
This Lazarus seems sane and admits to stealing the dilithium the first time. He informs Kirk that his people believed that two universes existed, and they tried to prove it but failed, causing their own destruction. Lazarus confirms Mr. Spock's hypothesis that breaking the barriers between the matter and anti-matter universes may trigger doomsday.
He indicates that only one version of Lazarus can exist in a universe at a time and that the other one went mad with rage at the thought of having a double to the point of seeking the double's destruction even if that meant the end of the world as he knew it. If not stopped, their constant encounters will destroy both universes. The anti-Lazarus tells Kirk that the "dimensional corridor" — Lazarus's ship — connecting them must be severed. Kirk must send the mad Lazarus back into the corridor and close off the portal for good.
Kirk returns to his universe and confronts the insane Lazarus, pushing him into his dimensional portal. Kirk heads back to the Enterprise, ordering the phasers to target the dimension ship. The two Lazaruses meet once more and fight as phaser beams vaporize the ship. Both Lazaruses are now trapped between universes, apparently doomed to fight each other for eternity.
John Drew Barrymore was originally cast as Lazarus, but on the morning filming began he was nowhere to be found. The part had to be quickly recast with Robert Brown. The producers filed a grievance with the Screen Actors Guild, which suspended Barrymore's membership for six months as a result, preventing him from working as an actor during that time.
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- "The Alternative Factor" at StarTrek.com
- "The Alternative Factor" at the Internet Movie Database
- "The Alternative Factor" at TV.com
- "The Alternative Factor" at Memory Alpha (a Star Trek wiki)
- "The Alternative Factor" Review of the remastered version at TrekMovie.com