Nitrate

The Flash · S1 · E21

Alpha

  • TV-PG
  • May 11, 1991
  • 45 min

An android built by the government to use an assassin refuses to obey her orders. She escapes, and is befriended by Tina and Barry.

About this episode

An android built by the government to use an assassin refuses to obey her orders. She escapes, and is befriended by Tina and Barry.

Season 1

22 episodes
  1. 1Pilot

    94 minSep 20, 1990

    A laboratory accident endows a police scientist with the ability to move at superhuman speed which he uses to battle a menacing gang as a superhero.

  2. 2Out of Control

    47 minSep 27, 1990

    Homeless people are dying and their bodies are disappearing. Tina rekindles a relationship with a former colleague who is an expert in genetic engineering.

  3. 3Watching the Detectives

    48 minOct 18, 1990

    The corrupt District Attorney Thomas Castillo hires a private eye named Megan Lockhart to find out the Flash's identity. He then blackmails Barry to work for him, or he'll expose his secret.

  4. 4Honor Among Thieves

    46 minOct 25, 1990

    While arranging security at the Central City Museum, Barry is reunited with an old girlfriend and a former mentor.

  5. 5Double Vision

    47 minNov 1, 1990

    Someone spreads graffiti, and messages asking to meet "Flash" at a church. Barry goes to the church. Shortly after that, he begins to experience black outs and memory losses.

  6. 6Sins of the Father

    47 minNov 8, 1990

    A bank robber escapes from prison. He goes back to Central City to get his money and revenge on the cop who busted him, Henry Allen, Barry's father.

  7. 7Child's Play

    48 minNov 15, 1990

    An orphan boy has information that incriminates a 1960s cult figure who is trying to make a comeback.

  8. 8Shroud of Death

    47 minNov 29, 1990

    Pieces of a broken medallion are the only clue to an unknown assassin who is on a deadly rampage in central city.

  9. 9Ghost in the Machine

    47 minDec 13, 1990

    Barry befriends an African American who was once a super hero that defeated a terrorist called the Ghost, who blackmailed the city through television sets. When the presumed dead criminal is defrosted, the Night Shade is back in business.

  10. 10Sight Unseen

    48 minJan 10, 1991

    An invisible man gets into Star Labs, and releases a neurotoxin with Tina inside the lab. Then he starts killing scientists who worked on the project. Flash must find the invisible man and save his friend.

  11. 11Beat the Clock

    47 minJan 31, 1991

    A jazz musician friend of Julio's is about to be executed. An hour before the execution, a friend calls and says he has evidence that could exonerate their friend. Before Barry can contact him, he disappears. They have less than an hour to save a condemned man.

  12. 12The Trickster

    48 minFeb 7, 1991

    Barry must protect his old girlfriend, Megan Lockhart, from an obsessed, maniacal criminal disguised as The Trickster.

  13. 13Tina, Is That You?

    48 minFeb 14, 1991

    Barry is having trouble sleeping. Tina tries to use bio-feedback to help him, but it back fires on Tina. She joins a gang, and she's able to hold Flash at bay with her knowledge of his strengths and weaknesses. Barry has got to find a way to save his friend.

  14. 14Be My Baby

    48 minFeb 21, 1991

    Barry tries to help a young woman. She found out about her husband's criminal life, and is trying to escape from him. She takes their daughter with her, but he wants them back.

  15. 15Fast Forward

    47 minFeb 27, 1991

    Jay's killer, Nicholus Pike, is released from jail and blames the Flash for Jay's death. He sets the Flash up by using a heat seeking bomb on him, but something goes awry. Instead of killing the Flash, it sends him into the future where Pike is in charge and outlaws anyone from mentioning the Flash.

  16. 16Deadly Nightshade

    48 minMar 30, 1991

    There's a new vigilante in town, the Deadly Nightshade, who fights crime by killing criminals. The Flash and the original Nightshade team up to take him down.

  17. 17Captain Cold

    48 minApr 6, 1991

    Captain Cold, who freezes his victims to death, is contracted to kill the Flash.

  18. 18Twin Streaks

    45 minApr 13, 1991

    A scientist and his business partner are trying to develop a being with super speed, their attempts fail. They manage to clone the Flash. Their creation learns quickly, but is emotional moral equivalent of a child. Barry must stop his twin.

  19. 19Done with Mirrors

    45 minApr 27, 1991

    A battery is stolen by a criminal calling himself the Mirror Master. He soon steals a crystal from Star Labs. Tina will get fired if they can't recover the crystal. Tina's mother comes for a visit, and an old friend of Barry's also stirs up trouble.

  20. 20Good Night, Central City

    45 minMay 4, 1991

    A small time crook gets a hold of a device that puts people to sleep. He goes on a spree while the people are unconscious. He has a plan to knock out the entire city, it's up to the Flash to stop him.

  21. 21Alpha

    45 minMay 11, 1991Now viewing

    An android built by the government to use an assassin refuses to obey her orders. She escapes, and is befriended by Tina and Barry.

  22. 22The Trial of the Trickster

    45 minMay 18, 1991

    With the help of an insane admirer who wants to be his sidekick, the Trickster escapes from police custody and places the Flash under his mind control.

Guest stars

Biff ManardMurphy
Dick MillerFosnight
Vito D'AmbrosioBellows
Mike GenoveseLt. Warren Garfield
Laura RobinsonColonel Christine Powers
Claire StansfieldAlpha
Kenneth TigarDr. Jason Rossick
Jason Ross-AzikiweCostigan
Anthony PowersJoey C.
Sven-Ole ThorsenOmega
Ross PartridgeWiseguy