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The fourth season of The Flash premiered on The CW on October 10, 2017, and concluded on May 22, 2018. It was announced on January 8, 2017.

The season aired on Tuesday nights at 8:00 PM prior to DC's Legends of Tomorrow in the fall, Black Lightning in the winter, and The 100 in the spring.

It arrived on DVD and Blu-ray on August 28, 2018.

Synopsis

Cast

Main cast

Recurring cast

Episodes

No. in series No. in season Episode title Written by Directed by Original airdate
70 1 "The Flash Reborn" Story by: Andrew Kreisberg
Teleplay by: Todd Helbing & Eric Wallace
Glen Winter October 10, 2017
71 2 "Mixed Signals" Jonathan Butler & Gabriel Garza Alexandra La Roche October 17, 2017
72 3 "Luck Be a Lady" Sam Chalsen & Judalina Neira Armen V. Kevorkian October 24, 2017
73 4 "Elongated Journey Into Night" Sterling Gates & Thomas Pound Tom Cavanagh October 31, 2017
74 5 "Girls Night Out" Lauren Certo & Kristen Kim Laura Belsey November 7, 2017
75 6 "When Harry Met Harry..." Jonathan Butler & Gabriel Garza Brent Crowell November 14, 2017
76 7 "Therefore I Am" Eric Wallace & Thomas Pound David McWhirter November 21, 2017
77 8 "Crisis on Earth-X, Part 3" Story by: Andrew Kreisberg & Marc Guggenheim
Teleplay by: Todd Helbing
Dermott Downs November 28, 2017
78 9 "Don't Run" Sam Chalsen & Judalina Neira Stefan Pleszczynski December 5, 2017
79 10 "The Trial of The Flash" Lauren Certo & Kristen Kim Philip Chipiera January 16, 2018
80 11 "The Elongated Knight Rises" Sterling Gates & Thomas Pound Alexandra La Roche January 23, 2018
81 12 "Honey, I Shrunk Team Flash" Sam Chalsen & Judalina Neira Chris Peppe January 30, 2018
82 13 "True Colors" Jonathan Butler & Gabriel Garza Tara Nicole Weyr February 6, 2018
83 14 "Subject 9" Mike Alber & Gabe Snyder Ralph Hemecker February 27, 2018
84 15 "Enter Flashtime" Todd Helbing & Sterling Gates Gregory Smith March 6, 2018
85 16 "Run, Iris, Run" Eric Wallace Harry Jierjian March 13, 2018
86 17 "Null and Annoyed" Lauren Certo & Kristen Kim Kevin Smith April 10, 2018
87 18 "Lose Yourself" Jonathan Butler & Gabriel Garza Hanelle Culpepper April 17, 2018
88 19 "Fury Rogue" Joshua V. Gilbert & Jeff Hersh Rachel Talalay April 24, 2018
89 20 "Therefore She Is" Sterling Gates & Thomas Pound Rob J. Greenlea May 1, 2018
90 21 "Harry and the Harrisons" Judalina Neira & Lauren Certo Kevin Mock May 8, 2018
91 22 "Think Fast" Sam Chalsen & Kristen Kim Viet Nguyen May 15, 2018
92 23 "We Are The Flash" Todd Helbing & Eric Wallace David McWhirter May 22, 2018

Production

Reception

Critical response

Ratings

The Flash Season 4 Ratings.PNG

Trivia

Gallery

Promotional images

Videos

References

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