The BEST Episodes of The Flash
Every episode ever - ranked by fan votes!
Last Updated: Sep 19, 2021
Central City Police forensic scientist Barry Allen's crime lab is struck by lightning. Allen's electrified body is flung into and shatters a cabinet of chemicals, which are both electrified and forced to interact with each other and with his physiology when they come into physical contact with his body. He soon discovers that the accident has changed his body's metabolism and as a result he has gained the ability to move at superhuman speed. Barry Allen has become the Flash.
#1 - Shroud of Death
Season 1 - Episode 8 - Aired Nov 29, 1990
A judge is killed, the killer sends the victim a part of a medal before he dies. When a former DA is killed, Barry finds a connection. Garfield was the arresting officer on the case, when his girlfriend/fiancée is shot, Garfield takes it personally. Flash must stop him before he crosses the line. Tina gets a job offer that would send her to California.
#2 - Ghost in the Machine
Season 1 - Episode 9 - Aired Dec 13, 1990
The Ghost, a villain from 1955 emerges from a deep freeze, intent on continuing his plan to extort money from the city. Nightshade comes out of retirement to help the Flash stop him.
#4 - The Trial of the Trickster
Season 1 - Episode 22 - Aired May 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.
#5 - Fast Forward
Season 1 - Episode 15 - Aired Feb 27, 1991
Barry considers moving, after Pike is acquitted of his brother's murder. Pike launches a missile to kill the Flash, who is sent 10 years into the future where Pike is now Mayor. The Flash's powers are now unstable and Tina refuses to help him because she blames him for leaving. He's got to find a way to get back to his own time.
#6 - Deadly Nightshade
Season 1 - Episode 16 - Aired Mar 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.
#7 - Good Night, Central City
Season 1 - Episode 20 - Aired May 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.
#8 - Out of Control
Season 1 - Episode 2 - Aired Oct 14, 1990
Homeless people are disappearing/dying. But no one can find the bodies. Tina's friend comes to town for a visit.
#9 - Be My Baby
Season 1 - Episode 14 - Aired Feb 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.
#10 - Watching the Detectives
Season 1 - Episode 3 - Aired Oct 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.
#11 - Sins of the Father
Season 1 - Episode 6 - Aired Nov 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.
#13 - The Trickster
Season 1 - Episode 12 - Aired Feb 7, 1991
An insane magician wreaks havoc throughout Central City as the maniacally clever Trickster.
#14 - Double Vision
Season 1 - Episode 5 - Aired Nov 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.
#17 - Done with Mirrors
Season 1 - Episode 19 - Aired Apr 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.
#18 - Tina, Is That You?
Season 1 - Episode 13 - Aired Feb 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.
#19 - Sight Unseen
Season 1 - Episode 10 - Aired Jan 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.
#20 - Pilot
Season 1 - Episode 1 - Aired Sep 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.
#21 - Twin Streaks
Season 1 - Episode 18 - Aired Apr 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.
#22 - Beat the Clock
Season 1 - Episode 11 - Aired Jan 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.