The BEST Episodes of The Flash
Every episode ever - ranked by fan votes!
Last Updated: Aug 6, 2019
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 - Fast Forward
Season 1 - Episode 15
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.
#2 - Ghost in the Machine
Season 1 - Episode 9
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 crimmnal is defrosted the night shade is back in buisness
#3 - Good Night, Central City
Season 1 - Episode 20
When a ""presumed to be dead"" criminal's body disappears, Barry is suspected. The criminal has invented a machine that makes anyone who hears it's strange sound waves fall into a deep sleep.
#5 - Sins of the Father
Season 1 - Episode 6
A murderer escapes from prison to find his loot and kill Barry's father, the cop who put him away.
#6 - Watching the Detectives
Season 1 - Episode 3
A corrupt DA hires Megan Lockhart to find out the Flash's identity. Then he blackmails Barry to work for him, or he'll expose his secret.
#8 - The Trial of the Trickster
Season 1 - Episode 22
The Trickster escapes from his trial and brainwashes the Flash.
#9 - Out of Control
Season 1 - Episode 2
Homeless people are disappearing/dying. But no one can find the bodies. Tina's friend comes to town for a visit.
#10 - Deadly Nightshade
Season 1 - Episode 16
The Flash and the Nightshade team up once again as they go up against a nightshade imposter.
#12 - Be My Baby
Season 1 - Episode 14
Barry must protecting a woman and her child from her Criminal ex-husband.
#14 - Double Vision
Season 1 - Episode 5
A mad scientist uses the Flash as a supernatural force.
#16 - Done with Mirrors
Season 1 - Episode 19
Barry meets an old classmate and gets involved in a scheme to rip off Star Labs.
#17 - Tina, Is That You?
Season 1 - Episode 13
When Barry has nightmares about Tina betraying him, she puts them both under her scanner; but something goes terribly wrong. His dreams are transferred into her mind and now she thinks that she is a gang member.
#18 - The Trickster
Season 1 - Episode 12
Barry must protect his old girlfriend, Megan Lockhart, from an obsessed, maniacal criminal disguised as The Trickster.
#19 - Twin Streaks
Season 1 - Episode 18
A scientist clones Barry. The clone is physically perfect but emotionally it is still a child.
#21 - Pilot
Season 1 - Episode 1
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.
#22 - Beat the Clock
Season 1 - Episode 11
When Julio's old friend - a jazz musician accused of killing his wife years ago - is scheduled for execution, Barry and Julio race against the clock to prove his innocence.