Season 4 poster

Season 4

(2017)

Overview

The mission of Barry Allen, aka The Flash, is once more to protect Central City from metahuman threats. But with Barry trapped in the Speed Force, this mission falls to his family – Detective Joe West; fiancée Iris West; and Wally West/Kid Flash – and the team at S.T.A.R. Labs: Caitlin Snow/Killer Frost, Cisco Ramon/Vibe and brilliant scientist Harrison Wells. When a powerful villain threatens to level the city unless The Flash appears, Cisco risks everything to free Barry. But this is only the…

Cast

Grant Gustin as Barry Allen / The Flash
Grant Gustin

as Barry Allen / The Flash

Candice Patton as Iris West-Allen
Candice Patton

as Iris West-Allen

Danielle Panabaker as Dr. Caitlin Snow / Killer Frost
Danielle Panabaker

as Dr. Caitlin Snow / Killer Frost

Carlos Valdes as Cisco Ramon / Vibe
Carlos Valdes

as Cisco Ramon / Vibe

Tom Cavanagh as Harrison 'Harry' Wells
Tom Cavanagh

as Harrison 'Harry' Wells

Jesse L. Martin as Joe West
Jesse L. Martin

as Joe West

Episodes

The Flash Reborn poster

The Flash Reborn 6.7

October 10, 2017

With Barry in the speed force, Iris, Kid Flash, Joe and Vibe have taken over protecting Central City. However, when a p…

Mixed Signals poster

Mixed Signals 6.3

October 17, 2017

Barry has his hands full when he takes on a dangerous meta who can control technology, while also confronting an obstac…

Luck Be a Lady poster

Luck Be a Lady 6.6

October 24, 2017

Barry and the team are hit by a string of bad luck and realize it is the handiwork of a new meta, Becky nicknamed Hazar…

Elongated Journey Into Night poster

Elongated Journey Into Night 7.7

October 31, 2017

Cisco is shocked when Gypsy's father, Breacher, shows up on Earth-1. Breacher takes an immediate disliking to Cisco and…

Girls Night Out poster

Girls Night Out 5.6

November 7, 2017

Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be ba…

When Harry Met Harry... poster

When Harry Met Harry... 6.8

November 14, 2017

When collectors of Native American artifacts are attacked by a meta named Mina Chayton who can bring inanimate objects …

Therefore I Am poster

Therefore I Am 8.0

November 21, 2017

Barry comes face to face with DeVoe. Devoe's past is revealed through flashbacks. Meanwhile, Iris puts the final touche…

Crisis on Earth-X (III) poster

Crisis on Earth-X (III) 7.3

November 28, 2017

Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. A…

Don't Run poster

Don't Run 7.8

December 5, 2017

Amunet kidnaps Caitlin and puts meta-dampener handcuffs on her to keep her from turning into Killer Frost. Amunet tells…

The Trial of The Flash poster

The Trial of The Flash 7.3

January 16, 2018

As Barry’s trial for the murder of Clifford DeVoe begins, Iris and Joe must decide how far they are willing to go to ke…

The Elongated Knight Rises poster

The Elongated Knight Rises 7.2

January 23, 2018

When a familiar villain returns to terrorize Central City, Ralph must rise up to defend the innocent while Barry is det…

Honey, I Shrunk Team Flash poster

Honey, I Shrunk Team Flash 7.5

January 30, 2018

A meta who can shrink anything he touches battles Team Flash. Cisco and Ralph get caught in his crossfire and are shrun…

True Colors poster

True Colors 7.0

February 6, 2018

After hearing that Amunet has struck a deal to buy all of the metahumans in Iron Heights, Barry must decide if he shoul…

Subject 9 poster

Subject 9 7.3

February 27, 2018

Barry meets a powerful woman whose abilities could help him in his battle with DeVoe. Meanwhile, after learning that De…

Enter Flashtime poster

Enter Flashtime 8.3

March 6, 2018

When a nuclear bomb detonates in downtown Central City, Barry, Jesse Quick and Jay Garrick slow down time by entering F…

Run, Iris, Run poster

Run, Iris, Run 5.5

March 13, 2018

Team Flash confront a new bus meta, Matthew aka Melting Pot. He has the ability to swap people’s DNA, so during a battl…

Null and Annoyed poster

Null and Annoyed 7.2

April 10, 2018

Barry and Ralph take different approaches to finding the remaining bus metas before DeVoe gets to them. However, Ralph'…

Lose Yourself poster

Lose Yourself 7.5

April 17, 2018

When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat D…

Fury Rogue poster

Fury Rogue 6.9

April 24, 2018

When Barry needs help transporting a dangerous meta, he calls on a new friend for help - Leo Snart AKA Citizen Cold. Me…

Therefore She Is poster

Therefore She Is 7.1

May 1, 2018

Barry and Team Flash team up with Gypsy to try to thwart Thinker's plan. Meanwhile, Cisco and Gypsy have a heart to hea…

Harry and the Harrisons poster

Harry and the Harrisons 6.7

May 8, 2018

With DeVoe's Enlightenment device nearly complete, in order to disable it The Flash and his team must put their faith i…

Think Fast poster

Think Fast 8.0

May 15, 2018

When DeVoe assaults an A.R.G.U.S. facility to complete his Enlightenment Machine, Barry realizes the only way he can st…

We Are The Flash poster

We Are The Flash 6.9

May 22, 2018

Team Flash gets help from a surprising ally in their battle against DeVoe.