The Flash: Season 4 (2017 - 2018)


Season 4
The Flash

Critics Consensus

After an unsteady turn in season three, The Flash returns to its roots with a fourth season packed with humor, spectacle, and a whole lot of heart.

80%

TOMATOMETER

Critic Ratings: 19

51%

Audience Score

User Ratings: 1504

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Episodes

Air date: Oct 10, 2017

Season 4 begins with a powerful armored villain threatening to level Central City if the Flash doesn't appear, so Cisco makes a risky decision to break Barry out of the speed force. But the Barry that comes out isn't the same Barry that went in.

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Air date: Oct 17, 2017

Barry takes on a dangerous meta who can control technology and confronts an obstacle in his personal life: the ramifications of abandoning Iris for six months to balance the Speed Force. Meanwhile, Gypsy prepares for a hot date with Cisco, but she gets annoyed when his work keeps them apart.

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Air date: Oct 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 Hazard, who has the ability to give others bad luck. -- (C) CW

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Air date: Oct 31, 2017

Cisco 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, Barry runs into his old nemesis Ralph Dibny.

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Air date: Nov 7, 2017

Caitlin receives an ominous threat from her old boss, Amunet, and fears her past time as Killer Frost may be back to haunt her. Meanwhile, Felicity comes to Central City to help the girls celebrate Iris' bachelorette party; and Cisco, Joe and the guys take Barry out for a night on the town.

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Air date: Nov 14, 2017

Barry turns to a surprising ally for help when collectors of Native American artifacts are attacked by a meta who can bring inanimate objects to life. Harry enlists Cisco's help to summon the ultimate think tank to crack the identity of the Thinker.

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Air date: Nov 21, 2017

Barry comes face to face with DeVoe; and Devoe's past is revealed through flashbacks. Meanwhile, Iris puts the final touches on the wedding, which is a week away.

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Air date: Nov 28, 2017

Part 3 of 4. 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 join forces 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.

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Air date: Dec 5, 2017

Amunet kidnaps Caitlin and puts meta-dampener handcuffs on her to keep her from turning into Killer Frost. Amunet tells Caitlin she needs her to perform a tricky medical task and if Caitlin fails, Amunet will kill her. Meanwhile, the Thinker traps the Flash in a speedster-proof prison. With the clock ticking, the team doesn't have the time or resources to track both Caitlin and Barry, so Iris is forced to choose who to save.

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Air date: Jan 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 keep Barry out of prison.

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The Flash: Season 4 Videos

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Tv Season Info

With Barry/The Flash (Grant Gustin) voluntarily committing himself to imprisonment in the Speed Force, Iris (Candice Patton) forcefully leads a discouraged Team Flash in protecting Central City. However, a new villain emerges and threatens to destroy the city if the Flash doesn't come out to fight him. Against Iris' wishes, the team brings Barry out of imprisonment, though Barry seems incapacitated by his stay in the Speed Force. Later, the team realizes that by getting Barry out of prison, they played right into the hands of their new enemy, the Thinker (Neil Sandilands). Season 4 of "The Flash" also stars Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Jesse L. Martin as Joe West, Keiynan Lonsdale as Wally West, and Tom Cavanagh as Harrison Wells. Danielle Nicolet, Jessica Camacho, Hartley Sawyer, and Katee Sackhoff make recurring appearances as Cecile Horton, Gypsy, Ralph Dibny, and Amunet Black respectively.

Cast & Crew

News & Interviews for The Flash: Season 4

Critic Reviews for The Flash Season 4

All Critics (19) | Top Critics (5)

Perhaps I'm the only one who feels this way, but the decision to dispense with the meat of the story to skip to the end seems pretty familiar, no?

Apr 24, 2018 | Rating: C+ | Full Review…

The Flash Season 4 episode 16, 'Run Iris, Run,' is one of the most exciting moments in series history.

Mar 26, 2018 | Full Review…

It's hard to dislike Grant Gustin, who has such a natural charisma, but the show surely tried. Now, it's letting him have fun again with inventive speedster sequences, new ways of battling foes, as well as familiar interactions among the team.

Oct 14, 2017 | Rating: 3/5 | Full Review…

As we all know, most Flash episodes are built on three things: heart, humor, and spectacle. Thankfully, this hour wasn't lacking in any of those.

Oct 14, 2017 | Rating: B | Full Review…

The overall storyline plays out well over the 23 episodes, and most of the characters get something to do. A good return to form for The Flash.

Feb 17, 2019 | Rating: 4/5 | Full Review…

A solid season but it's disappointing to see some of the supporting players sidelined here.

Nov 18, 2018 | Rating: 3.0/4 | Full Review…

Enriched with its compelling characters and intricate storytelling, the show remains a shining example of how superheroes on the small screen can easily compete with, and in many cases surpass, their big screen counterparts in terms of quality.

Aug 29, 2018 | Rating: 4/5 | Full Review…

There's a lot that doesn't make sense. Like, a whole lot.

Jun 18, 2018 | Rating: 2.5/5 | Full Review…

The episode sets up the rest of the season, and reminds us just what we loved about The Flash before season three went sideways.

Oct 30, 2017 | Full Review…

There's every reason to hope The Flash has returned from hiatus creatively recharged and ready to deliver on the promise of a lighter, more fun-filled season.

Oct 24, 2017 | Full Review…

Barry Is Back, and Better Than Ever...?

Oct 14, 2017 | Full Review…

Every year when The Flash returns I say something along the lines of how good it is to have this cast back. I do genuinely miss this show during the offseason, even if it sometimes gets a little exhausting or frustrating during the post-midseason lull.

Oct 12, 2017 | Rating: 3.5/5 | Full Review…

Audience Reviews for The Flash: Season 4

  • Apr 08, 2021
    estuvo buena pero sus tramas comienzan ser un poco aburridas
  • Mar 30, 2021
    The fourth season of The Flash is somewhat weak, even more so than the third, even after character development, there are certain sloppiness in the context of the villain and the protagonist himself that weaken the plot. I can't say it's bad, but I will say it's just ok.
  • Mar 01, 2021
    Show keeps getting worse and worse every season. It's gone from so bad it's good to just bad.
  • Jan 26, 2021
    The Flash Season 4 is by far one of the worst seasons of the Flash yet. This season while having a decent villain, focuses too much on the love aspect and not on many other aspects of what made the show great in season 1 and 2. While this season is great it introduces us to some new great characters. First off Ralph Dinbny was a great addition to team flash and has some great character development throughout the season. Clifford Devoe and his wife were pretty good characters while not being the best villains. Nora West Allen had some good cameos and the ending scene with her was actually surprising. The new Flash suit was indeed one of the best we've had so far. Bring Harry back was a great idea and him loosing his intelligence was a good idea and was made well. Now on too the bad. Some of the episodes besides the prison story line were just overall weak. While they aren't as bad as Arrow Season 4's there are still a good amount of filler episodes. The episodes where Iris became Flash for a day was just stupid and there was no need for that to happen. Some of the meta humans were just stupid and some of their powers were just stupid. Also Iris is just an awful character and she comes off as annoying in this season and she doesn't even want to rescue Barry from the speed force at the beginning of the season which was just so stupid. Overall this season is by far one of the worst with many bad things and too little good things.
  • Jan 26, 2021
    This season had some of the worst episode ever : girls night out and run Iris run Iris has become as bad as Felicity and that's a same the show tells us that she is basically perfect when she shoulnd't even be in the team she can't even write a blog how can she be the leader of team Flash?
  • Jan 01, 2021
    This show was entertaining for the first 3 seasons, but I felt in between the main story of each season there were pointless repetitive episodes that just felt like a waste of time. Season 4 was bad in my opinion. I just gave up on the show. Flash comics are far more entertaining that this show.
  • Dec 30, 2020
    Just a lame season with lame villain and annoying side characters like iris . but's still fun and entertaining sometimes with its humor .
  • Dec 10, 2020
    When a brilliant show is done its good
  • Oct 31, 2020
    The introduction of Ralph breaths life into this dying show. Might have scored higher but "We are the flash" was so dumb it should have just been cancelled on the spot
  • Sep 21, 2020
    Iris has ruined this show. She is not like able, all she does is steamroll every episode and scene.

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