The WORST Episodes of The Flash (2014)

Every episode ever - ranked by fan votes!

Last Updated: Feb 21, 2021

Network: The CW

After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City.

Duet (2)

#1 - Duet (2)

Season 3 - Episode 17 - Aired Mar 21, 2017

Mon-El and Hank Henshaw arrive carrying a comatose Supergirl, who was attacked by the Music Meister; when the Music Meister attacks Barry, both he and Supergirl wake up in an alternate reality that they have to sing and dance their way out of.

star 7.07
7,492 votes
Writers: Aaron Helbing, Andrew Kreisberg, Greg Berlanti, Todd Helbing
Love Is A Battlefield

#2 - Love Is A Battlefield

Season 6 - Episode 11 - Aired Feb 11, 2020

Barry and Iris plan a romantic dinner for Valentine’s Day but their evening is interrupted by an old foe—Amunet. Frost gets into the holiday spirit and attempts to help Allegra reconnect with an old love.

star 7.18
1,239 votes
Directors: Sudz Sutherland
Writers: Jeff Hersh, Kelly Wheeler

#3 - Liberation

Season 6 - Episode 17 - Aired Apr 28, 2020

After recent events, Barry takes a closer look at his life with Iris. Eva makes a bold move.

star 7.35
1,102 votes
Directors: Jeff Byrd
Writers: Gabriel Garza, Jonathan Butler
So Long and Goodnight

#4 - So Long and Goodnight

Season 6 - Episode 16 - Aired Apr 21, 2020

After Black Hole hires Rag Doll to kill Joe, Singh suggests he go into Witness Protection but Joe refuses to stop investigating Carver. While investigating Carver with Cisco, Ralph runs into Sue. Iris becomes suspicious of Eva.

star 7.36
1,026 votes
Writers: Kristen Kim, Thomas Pound
Girls Night Out

#5 - Girls Night Out

Season 4 - Episode 5 - Aired Nov 7, 2017

Having 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 to Central City to help the girls celebrate Iris’s bachelorette party, while Cisco, Joe and the guys take Barry out for a night on the town.

star 7.37
4,118 votes
Directors: Laura Belsey
Writers: Kristen Kim, Lauren Certo
Success is Assured

#6 - Success is Assured

Season 6 - Episode 19 - Aired May 12, 2020

Barry considers a risky plan to save Iris from the Mirrorverse. Ralph attempts to stop Sue from making a grave mistake that could destroy her life.

star 7.39
1,035 votes
Directors: Philip Chipera
Writers: Kelly Wheeler, Lauren Barnett
Pay the Piper

#7 - Pay the Piper

Season 6 - Episode 18 - Aired May 5, 2020

When Godspeed returns, Barry turns to Hartley Rathaway for help. However, things get tense quickly after Barry realizes one of the changes from Crisis is that The Flash and Pied Piper are now enemies. Meanwhile, Iris tries to escape the Mirrorverse.

star 7.41
1,063 votes
Directors: Amanda Tapping
Writers: Jess Carson
A Girl Named Sue

#8 - A Girl Named Sue

Season 6 - Episode 12 - Aired Feb 18, 2020

After months of searching for Sue Dearbon, Ralph gets a lead on her whereabouts. Sue refuses to return home to her family, and instead takes Ralph on a daring adventure. Iris faces a new challenge. Barry considers a potentially dangerous request.

star 7.44
1,216 votes
Directors: Chris Peppe
Writers: Lauren Certo, Thomas Pound

#9 - Marathon

Season 6 - Episode 10 - Aired Feb 4, 2020

After “The Citizen” prints an explosive story, Iris’ life is threatened. Refusing to hide from those that are attacking her, Iris sets out to expose a dangerous organization. Barry must face the consequences of the Crisis and fulfill Oliver Queen’s wish for him.

star 7.45
1,308 votes
Writers: Lauren Barnett, Sam Chalsen
Snow Pack

#10 - Snow Pack

Season 5 - Episode 19 - Aired Apr 23, 2019

When Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After Barry makes a big decision about their family without consulting her, Iris decides to take matters into her own hands.

star 7.46
1,954 votes
Directors: Jeff Cassidy
Writers: Gabriel Garza, Jonathan Butler
The Flash & the Furious

#11 - The Flash & the Furious

Season 5 - Episode 10 - Aired Jan 15, 2019

While Nora grapples with the revelation that Thawne killed her grandmother, Team Flash must stop the formidable team-up of a newly sprung from jail Weather Witch and Silver Ghost, a new meta-tech villain who can control engines and motorized technology. Meanwhile, Caitlin and Cisco discuss creating a meta-human cure.

star 7.48
2,091 votes
Directors: David McWhirter
Writers: Kelly Wheeler, Sterling Gates
Gone Rogue

#12 - Gone Rogue

Season 5 - Episode 20 - Aired Apr 30, 2019

Barry continues to struggle with how he feels about Nora’s betrayal. Brie Larvan, Joss Jackam and Peter Merkel return to Central City. Meanwhile, Cisco makes a bold decision.

star 7.49
1,910 votes
Directors: Kristin Windell
Writers: Joshua V. Gilbert, Sam Chalsen
License to Elongate

#13 - License to Elongate

Season 6 - Episode 6 - Aired Nov 19, 2019

Barry turns his attention to prepping Elongated Man for life after Crisis and without The Flash, but Ralph ultimately teaches Barry a lesson. Cecile faces her own moment of self-discovery while helping a recuperated Chester P. Runk reclaim his identity.

star 7.50
1,432 votes
Writers: Jeff Hersh, Thomas Pound
Grodd Friended Me

#14 - Grodd Friended Me

Season 6 - Episode 13 - Aired Feb 25, 2020

Feeling overwhelmed with all the changes since Crisis, Barry conducts an experiment that goes awry and puts him directly in Gorilla Grodd’s path. Expecting the worst, Barry is surprised when Grodd asks for his help. Iris works with Eva to escape the Mirrorverse.

star 7.52
1,194 votes
Writers: Joshua V. Gilbert, Kristen Kim
Harry and the Harrisons

#15 - Harry and the Harrisons

Season 4 - Episode 21 - Aired May 8, 2018

With 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 Black. Meanwhile, Harry hits an all-time low when the “Council of Wells” kicks him out but then Cisco introduces him to the “Council of Harrisons.”

star 7.53
2,848 votes
Directors: Kevin Mock
Writers: Judalina Neira, Lauren Certo
There Will Be Blood

#16 - There Will Be Blood

Season 6 - Episode 4 - Aired Oct 29, 2019

Barry’s efforts to prepare Cisco for Crisis are derailed when Cisco schemes to save Barry’s life instead. Meanwhile, Ramsey Rosso uses his deadly new abilities to save his own life, while sacrificing his humanity in the process.

star 7.53
1,604 votes
Directors: Marcus Stokes
Writers: Lauren Certo, Sterling Gates
Seeing Red

#17 - Seeing Red

Season 5 - Episode 11 - Aired Jan 22, 2019

During a battle with Cicada, Nora is severely injured. Due to Cicada’s dampening powers, Nora’s speed healing isn’t working, leaving Barry and Iris scared for their daughter’s future. Upset about his injured child, The Flash is filled with rage and confronts Cicada in a brutal battle. Meanwhile, Killer Frost keeps interfering with Caitlin’s work on the cure.

star 7.55
2,043 votes
Directors: Marcus Stokes
Writers: Judalina Neira, Thomas Pound
King Shark vs. Gorilla Grodd

#18 - King Shark vs. Gorilla Grodd

Season 5 - Episode 15 - Aired Mar 5, 2019

When Gorilla Grodd attacks Central City, Barry and Team Flash find themselves teaming up with an unexpected ally to defeat - King Shark. However, when they hit a snag, they bring in Dr. Tanya Lamden to try to reach the man behind the shark, Shay Lamden.

star 7.55
1,960 votes
Writers: Eric Wallace & Lauren Certo
The Last Temptation of Barry Allen, Pt. 1

#19 - The Last Temptation of Barry Allen, Pt. 1

Season 6 - Episode 7 - Aired Nov 26, 2019

As Barry stands on the threshold of his impending death in Crisis, his convictions are tested when the monstrous Dr. Ramsey Rosso infects The Flash with a mysterious, hallucinogenic contagion. Reporter Iris West-Allen uncovers a vast conspiracy.

star 7.55
1,472 votes
Directors: Chad Lowe
Writers: Gabriel Garza, Jonathan Butler
The Exorcism of Nash Wells

#20 - The Exorcism of Nash Wells

Season 6 - Episode 15 - Aired Mar 17, 2020

The Flash takes on a dangerous new meta named Sunshine. Cisco sets out to help Nash.

star 7.55
1,125 votes
Writers: Lauren Barnett, Sterling Gates

#21 - Goldfaced

Season 5 - Episode 13 - Aired Feb 5, 2019

Barry and Ralph must go undercover as criminals in an illegal black market to purchase a device that could help them stop Cicada. Once inside, Barry and Ralph find their morality tested as they slip deeper into the criminal world, eventually having to choose between committing a crime, or losing the means to defeat one of their greatest foes. Meanwhile, Iris investigates a lead on Cicada’s whereabouts and ends up in a dangerous situation.

star 7.55
2,002 votes
Writers: Gabriel Garza, Jonathan Butler

#22 - Memorabilia

Season 5 - Episode 12 - Aired Jan 29, 2019

When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Grace’s memories, Nora panics, fearing her parents will find out the secrets she’s been keeping from them. Nora secretly decides to use the machine on her own, which ends in disaster after she gets trapped inside Grace’s mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.

star 7.56
2,073 votes
Directors: Rebecca Johnson
Writers: Kristen Kim, Sam Chalsen
Kiss Kiss Breach Breach

#23 - Kiss Kiss Breach Breach

Season 6 - Episode 5 - Aired Nov 5, 2019

Cisco’s faith in his ability to fill Barry’s shoes as Team Leader is upended when he learns of a shocking murder. Meanwhile, Killer Frost trusts no one except herself to hunt down the dangerous Ramsey Rosso.

star 7.57
1,527 votes
Directors: Menhaj Huda
Writers: Joshua V. Gilbert, Kelly Wheeler
Dead Man Running

#24 - Dead Man Running

Season 6 - Episode 3 - Aired Oct 22, 2019

Knowing that Crisis is only weeks away, Barry prepares a member of Team Flash for life without him while hunting a terrifying meta-human with an unquenchable thirst. Meanwhile, Ralph uncovers a family secret.

star 7.57
1,646 votes
Directors: Sarah Boyd
Writers: Lauren Barnett, Thomas Pound
Null and Annoyed

#25 - Null and Annoyed

Season 4 - Episode 17 - Aired Apr 10, 2018

Barry and Ralph take different approaches to finding the remaining bus metas before DeVoe gets to them. However, Ralph’s cavalier attitude frustrates Barry and the two clash over what it means to be a hero. Meanwhile, Breacher returns to ask Cisco for a favor.

star 7.58
3,056 votes
Directors: Kevin Smith
Writers: Kristen Kim, Lauren Certo