The Flash

1. S01E01PilotSeptember 20, 1990 7.8Forensic scientist Barry Allen is struck by lightning and doused in chemical products that afford him superhuman speed, which he learns to c
2. S01E02Out of ControlSeptember 27, 1990 6.3While Barry investigates the murders of several homeless people whose bodies are being stolen from the crime scenes, Tina reconnects with an
3. S01E03Watching the DetectivesOctober 18, 1990 7.0Barry's secret identity is uncovered by Megan Lockhart, a private investigator employed by corrupt District Attorney Arthur Simonson, who bl
4. S01E04Honor Among ThievesOctober 25, 1990 6.7Master thief Stan Kovacs assembles a team of criminals, which the police believe intend to steal the Mask of Rasputin from the museum of nat
5. S01E05Double VisionNovember 1, 1990 6.5Barry attempts to foil the kidnapping of Sofia Tomarquin, daughter of DEA agent Felix Tomarquin, who is scheduled to testify against drug lo
6. S01E06Sins of the FatherNovember 8, 1990 6.5Barry attempts to protect his father, veteran policeman Henry Allen, from Johnny Ray Hix, a dangerous criminal that Henry arrested 15 years
7. S01E07Child's PlayNovember 15, 1990 7.0Barry shelters street orphans Terry and Cory Cohan, who have stolen the backpack of a recently murdered journalist, Philip Sullivan, contain
8. S01E08Shroud of DeathNovember 29, 1990 6.5Garfield stonewalls Barry and Julio's efforts to locate a cloaked figure who is targeting individuals connected to the arrest of notorious a
9. S01E09Season's bestGhost in the MachineDecember 13, 1990 8.0In the 1950s, Central City's guardian was Desmond Powell, who fought crime as "The Nightshade". His nemesis, a criminal mastermind known as
10. S01E10Sight UnseenJanuary 10, 1991 6.5Brian Gideon, a disgruntled biophysicist, learns that STAR Labs is producing weapons of mass destruction based on his research for the Unite
11. S01E11Beat the ClockJanuary 31, 1991—Barry and Julio are tipped off that Wayne Contrell, a famous Jazz saxophonist on the death row for the murder of his wife, lounge singer Lin
12. S01E12The TricksterFebruary 7, 1991—James Jesse, a schizophrenic serial killer, becomes obsessed with Megan Lockhart, who had been investigating his activities, and attempts to
13. S01E13Tina, Is That You?February 14, 1991—Barry becomes plagued with nightmares and then causes the accidental death of the leader of a all-female gang, the Black Rose. A bio-feedbac
14. S01E14Be My BabyFebruary 21, 1991—Barry crosses paths with Stacy Doubek, the daughter of Nobel prize winning academics, and her young daughter, Lily, who are fleeing Lily's f
15. S01E15Fast ForwardFebruary 27, 1991—Nicholas Pike is released from prison on a technicality and attempts to use a missile to kill the Flash, instead transporting him 10 years i
16. S01E16Deadly NightshadeMarch 30, 1991—Philanthropist Curtis Bonnahan, son of Derek Bonnahan, a mobster arrested by the Nightshade in the 1960s, becomes a copycat vigilante known
17. S01E17Captain ColdApril 6, 1991—Mobster Jimmy Swain employs hitman Leonard Wynters, also known as "Captain Cold" for his weapon of choice, a nuclear-powered freeze ray, to
18. S01E18Twin StreaksApril 13, 1991—Barry is cloned by Dr. Jason Brassel, who names the clone "Pollux". Upon learning he has created for the purpose of weaponization, Pollux go
19. S01E19Done With MirrorsApril 27, 1991—Sam Scudder, a criminal mastermind who uses mirrors and holograms to commit his crimes, steals an advanced battery from S.T.A.R Labs East Co
20. S01E20Good Night, Central CityMay 4, 1991—Petty crook Harry Milgrim and his cousin, scientist Roger Braintree, plan to use a subsonic device developed by Braintree, which places peop
21. S01E21AlphaMay 11, 1991—Barry and Tina befriend Alpha, an android assassin developed by the United States government who refuses to kill, and protect her from anoth
22. S01E22The Trial of the TricksterMay 18, 1991 5.5Barry feels betrayed when the city treats James Jesse as a celebrity ahead of his trial. Jesse later escapes from prison with help from an o

Season 1 ranked & reviewed