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Season guide

The Flash: Season 5

22 episodes Premiered Oct 9, 2018 Updated Oct 1, 2026

The Flash Season 5 continues the overarching saga across 22 episodes. The series follows the fast man alive, Barry Allen, a crime scene investigator who gains super-human speed after being struck by lightning and uses the power to solve crimes. Created by Greg Berlanti, Geoff Johns, and Andrew Kreisberg, the show is an American action television series based on DC Comics characters and stars Grant Gustin alongside Ca

Previously on The Flash

Season 5 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Barry Allen is a crime scene investigator who is struck by lightning and awakens from a nine-month coma.
  • ⚡ The freak accident grants Barry super-human speed, making him the fastest man alive.
  • ⚡ Barry uses his newfound super-speed powers to solve crimes.
  • ⚡ The series is an action television show based on DC Comics.
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Season overview

The Flash Season 5 continues the overarching saga across 22 episodes. The series follows the fast man alive, Barry Allen, a crime scene investigator who gains super-human speed after being struck by lightning and uses the power to solve crimes. Created by Greg Berlanti, Geoff Johns, and Andrew Kreisberg, the show is an American action television series based on DC Comics characters and stars Grant Gustin alongside Candice Patton, Danielle Panabaker, and Jesse. The series premiered on The CW on October 7, 2014, and ran for nine seasons until May 24, 2023.

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Season 5 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 5 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 5: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

32%
68%
Mytharc (7): Crucial lore & season climaxes
Core (15): Character development & subplots
Side Quest (0): Standalone / filler
S5·E1 Mytharc

Nora

Oct 9, 2018 · 42 min

After an unexpected guest from the future, Nora West-Allen, appears at their home, Barry and Iris must figure out how to get her back to the future without disrupting the timeline…

S5·E2 Core

Blocked

Oct 16, 2018 · 42 min

As Barry helps his daughter, Nora, become a better speedster, he and Team Flash also track down a meta stealing high-tech weapons, only to cross paths with a new foe named Cicada,

S5·E3 Core

The Death of Vibe

Oct 23, 2018 · 42 min

After Cicada's attack on The Flash, the team realizes they need to think outside the box to stop this dangerous new foe. Desperate to help her parents, Nora comes up with a plan th

S5·E4 Core

News Flash

Oct 30, 2018 · 41 min

Barry and Iris face the ultimate parenting test when Team Flash battles Spin, a savvy millennial armed with meta tech, and a dangerous agenda for their daughter, Nora. Ralph is fee

S5·E5 Core

All Doll'd Up

Nov 13, 2018 · 42 min

Nora lets something slip about the future that devastates Iris. In an attempt to distract his wife, Barry asks Iris to team up to stop a new meta, Rag Doll. Meanwhile, Caitlin lear

S5·E6 Core

The Icicle Cometh

Nov 20, 2018 · 41 min

Caitlin, Barry and Cisco learn something new about Caitlin’s father. Meanwhile, Iris and Sherloque follow a clue about Cicada.

S5·E7 Core

O Come, All Ye Thankful

Nov 27, 2018 · 42 min

While Nora grapples with unresolved anger over her father’s disappearance in the future, Barry and Team Flash must stop a powerful new meta, Weather Witch, from killing her own fat

S5·E8 Mytharc

What's Past Is Prologue

Dec 4, 2018 · 42 min

Barry and Team Flash come up with a plan to stop Cicada. However, the plan calls for Barry and Nora to travel back in time to gather some key necessities. However, Barry hesitates,

S5·E9 Mytharc

Elseworlds (I)

Dec 9, 2018 · 42 min

When Barry Allen and Oliver Queen wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a

S5·E10 Core

The Flash & The Furious

Jan 15, 2019 · 42 min

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,

S5·E11 Core

Seeing Red

Jan 22, 2019 · 42 min

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 futu

S5·E12 Core

Memorabilia

Jan 29, 2019 · 42 min

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 keepin

S5·E13 Core

Goldfaced

Feb 5, 2019 · 42 min

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 t

S5·E14 Core

Cause and XS

Feb 12, 2019 · 42 min

After Iris lands in serious danger, Nora races to save her mother. Barry puts the finishing touches on the metahuman cure, leaving Cisco with a rare night off so he decides to take

S5·E15 Core

King Shark vs. Gorilla Grodd

Mar 5, 2019 · 41 min

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 i

S5·E16 Core

Failure Is an Orphan

Mar 12, 2019 · 42 min

With the meta-human cure ready to use, Barry and Team Flash must figure out a way to subdue Cicada long enough to take it. Killer Frost steps in to help with the plan. Meanwhile, J

S5·E17 Core

Time Bomb

Mar 19, 2019 · 42 min

Team Flash finds out that a suburban mom named Vickie Bolen is in danger and they race to save her. Upon meeting her, they discover she’s a meta-human who is hiding her abilities f

S5·E18 Mytharc

Godspeed

Apr 16, 2019 · 42 min

After discovering that Nora is working with Thawne, Barry and Iris disagree about how to handle their daughter in the wake of this shocking news. Team Flash isn't sure they can tru

S5·E19 Core

Snow Pack

Apr 23, 2019 · 41 min

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 mons

S5·E20 Mytharc

Gone Rogue

Apr 30, 2019 · 42 min

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.

S5·E21 Mytharc

The Girl With The Red Lightning

May 7, 2019 · 42 min

Team Flash is on high alert after Cicada II threatens to unleash a dangerous virus that would put all meta-humans at risk.

S5·E22 Mytharc

Legacy

May 14, 2019 · 42 min

Barry faces off with his oldest, and most formidable nemesis, Reverse Flash.

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