Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth's mightiest heroes - Green Arrow, Supergirl, The Flash and White Canary - lead their teams into battle to save the world. The crossover starts on Supergirl S03E08 Crisis on Earth X (I) and Arrow S06E08 Crisis on Earth X (II). It continues on DC's Legends of Tomorrow S03E08 Crisis on Earth X (IV).
| Name | The Flash Season 4 : Crisis on Earth-X (III) |
|---|---|
| Air Date | November 28th, 2017 |
| Genres | Drama, Sci-Fi & Fantasy |
| Network | The CW |
| Production Companies | Warner Bros. Television, Berlanti Productions, DC Entertainment, Mad Ghost Productions |
| Director | Dermott Downs |
| Guest Stars | Emily Bett Rickards, Dominic Purcell, Franz Drameh, Jeremy Jordan, Chyler Leigh, Russell Tovey, Victor Garber, Stephen Amell, Caity Lotz |
| Plot Keywords | dc comics, superhero, speed, based on comic, super power, masked superhero, supervillain |
Other Episodes
The Flash Season 4 Episode 1 : The Flash Reborn
October 10th, 2017With Barry in the speed force, Iris, Kid Flash, Joe and Vibe have taken over protecting Central City. However, when a powerful armored villain threate...
The Flash Season 4 Episode 2 : Mixed Signals
October 17th, 2017Barry has his hands full when he takes on a dangerous meta who can control technology, while also confronting an obstacle in his personal life: the ra...
The Flash Season 4 Episode 3 : Luck Be a Lady
October 24th, 2017Barry and the team are hit by a string of bad luck and realize it is the handiwork of a new meta, Becky nicknamed Hazard, who has the ability to give ...
The Flash Season 4 Episode 4 : Elongated Journey Into Night
October 31st, 2017Cisco is shocked when Gypsy's father, Breacher, shows up on Earth-1. Breacher takes an immediate disliking to Cisco and decides to hunt him. Meanwhile...
The Flash Season 4 Episode 5 : Girls Night Out
November 7th, 2017Having received an ominous threat from her old boss, Amunet, Caitlin fears that her past time as Killer Frost may be back to haunt her. Felicity comes...
The Flash Season 4 Episode 6 : When Harry Met Harry...
November 14th, 2017When collectors of Native American artifacts are attacked by a meta named Mina Chayton who can bring inanimate objects to life, Barry turns to a surpr...
The Flash Season 4 Episode 7 : Therefore I Am
November 21st, 2017Barry comes face to face with DeVoe. Devoe's past is revealed through flashbacks. Meanwhile, Iris puts the final touches on the wedding, which is a we...
The Flash Season 4 Episode 9 : Don't Run
December 5th, 2017Amunet kidnaps Caitlin and puts meta-dampener handcuffs on her to keep her from turning into Killer Frost. Amunet tells Caitlin she needs her to perfo...
The Flash Season 4 Episode 10 : The Trial of The Flash
January 16th, 2018As Barry’s trial for the murder of Clifford DeVoe begins, Iris and Joe must decide how far they are willing to go to keep Barry out of prison....
The Flash Season 4 Episode 11 : The Elongated Knight Rises
January 23rd, 2018When a familiar villain returns to terrorize Central City, Ralph must rise up to defend the innocent while Barry is detained by his trial. Meanwhile, ...
The Flash Season 4 Episode 12 : Honey, I Shrunk Team Flash
January 30th, 2018A meta who can shrink anything he touches battles Team Flash. Cisco and Ralph get caught in his crossfire and are shrunk to miniature versions of them...
The Flash Season 4 Episode 13 : True Colors
February 6th, 2018After hearing that Amunet has struck a deal to buy all of the metahumans in Iron Heights, Barry must decide if he should expose his powers in order to...
The Flash Season 4 Episode 14 : Subject 9
February 27th, 2018Barry meets a powerful woman whose abilities could help him in his battle with DeVoe. Meanwhile, after learning that DeVoe is targeting everyone who w...
The Flash Season 4 Episode 15 : Enter Flashtime
March 6th, 2018When a nuclear bomb detonates in downtown Central City, Barry, Jesse Quick and Jay Garrick slow down time by entering Flashtime. As everyone in the ci...
The Flash Season 4 Episode 16 : Run, Iris, Run
March 13th, 2018Team Flash confront a new bus meta, Matthew aka Melting Pot. He has the ability to swap people’s DNA, so during a battle with Team Flash, he transfe...
The Flash Season 4 Episode 17 : Null and Annoyed
April 10th, 2018Barry and Ralph take different approaches to finding the remaining bus metas before DeVoe gets to them. However, Ralph's cavalier attitude frustrates ...
The Flash Season 4 Episode 18 : Lose Yourself
April 17th, 2018When Barry and Team Flash find a way to enter The Thinker’s lair, Ralph considers crossing a dangerous line to defeat DeVoe. Meanwhile, Joe is conce...
The Flash Season 4 Episode 19 : Fury Rogue
April 24th, 2018When Barry needs help transporting a dangerous meta, he calls on a new friend for help - Leo Snart AKA Citizen Cold. Meanwhile, Cisco becomes suspicio...
The Flash Season 4 Episode 20 : Therefore She Is
May 1st, 2018Barry and Team Flash team up with Gypsy to try to thwart Thinker's plan. Meanwhile, Cisco and Gypsy have a heart to heart talk about their relationshi...
The Flash Season 4 Episode 21 : Harry and the Harrisons
May 8th, 2018With DeVoe's Enlightenment device nearly complete, in order to disable it The Flash and his team must put their faith in an unlikely ally – Amunet B...
The Flash Season 4 Episode 22 : Think Fast
May 15th, 2018When DeVoe assaults an A.R.G.U.S. facility to complete his Enlightenment Machine, Barry realizes the only way he can stop him is if he allows Cisco an...
The Flash Season 4 Episode 23 : We Are The Flash
May 22nd, 2018Team Flash gets help from a surprising ally in their battle against DeVoe....
