The Flash
Season 3
23 episodes
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S03E01 Flashpoint
After preventing his mother's death and altering history, Barry has a perfect life in the resulting timeline. But memory losses suggest that the danger isn't yet over.
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S03E02 Paradox
Barry discovers that he didn't restore the timeline as it originally was, and tries to reconcile the difference. Meanwhile, the Edward Clariss of the new timeline teams up with a new villain to bring Flash down.
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S03E03 Magenta
A new metahuman, Magenta, unleashes a magnetic wave of terror on the city. Meanwhile, Harry and Jesse come over from Earth-2 and reveal that Jesse now has superspeed... and Wally wonders if he gained the same power.
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S03E04 The New Rogues
Taking the name of Jesse Quick and donning a mask, Jesse offers to help Barry against two metas, Mirror Master and Top. However, her inexperience puts her in danger and gets Flash trapped in a mirror. Meanwhile, Harry, Cisco, and Caitlin search the other Earths for a replacement for a Harry.
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S03E05 Monster
A monster appears in downtown Central City and Julian vows to find the person responsible. While Flash tries to deal with the creature, Cisco tries to deal with his new teammate H.R. and realizes that he's hiding something.
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S03E06 Shade
While Barry tries to deal with a new metahuman, Shade, Alchemy tries to convince Wally to join him and gain the powers that he had in Flashpoint.
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S03E07 Killer Frost
Flash discovers that he's powerless against Savitar's superior speed, but other matters take precedence when Caitlin turns into Killer Frost and goes on a rampage trying to find Alchemy.
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S03E08 Invasion!
The alien Dominators land on Earth, and Barry realizes that he can't fight them alone. He summons Green Arrow and his teammates, and then the Legends, and then Supergirl from her Earth. However, the discovery of future-Barry's message forces Barry to reveal that he may have altered all of their lives when he changed the timeline, sowing the seeds of mistrust.
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S03E09 The Present
As Christmas arrives, the team discovers Alchemy's identity. Jay travels from Earth 3 to lend the team a hand against Savitar, while Joe forbids Wally from helping.
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S03E10 Borrowing Problems from the Future
Barry finally tells Iris and the others--except Joe--what he saw in the future and together they set out to stop that future from coming to pass. Meanwhile, Caitlin invites Julian to join Team Flash, and H.R. prepares to open the museum.
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S03E11 Dead or Alive
A "collector" from Earth-19 arrives to take H.R. to pay with his life for traveling between dimensions. While Cisco challenges her to a trial by combat, Iris sets out to make her mark on the world before the future that Barry saw comes to pass.
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S03E12 Untouchable
A new metahuman, Clive Yorkin, goes after the alternates of the people that wronged him in Flashpoint by turning them into ash. Meanwhile, Iris and Barry finally tell Joe about what Barry saw in the future.
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S03E13 Attack on Gorilla City
Barry, Cisco, Caitlin, and Julian travel to Gorilla City on Earth 2 to rescue Harrison. However, they are soon captured and Barry is forced to fight a battle to the death against the gorillas' ruler, Solovar.
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S03E14 Attack on Central City
Barry considers killing Grodd to stop him, but Harry convinces him that there's always another way. Meanwhile, Jesse tells her father that she's staying on Earth-1 and is surprised at his reaction.
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S03E15 The Wrath of Savitar
The team is forced to use Julian as a conduit to Savitar to question the God of Speed. Meanwhile, Wally is haunted by visions of Savitar that slowly become more real.
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S03E16 Into the Speed Force
Barry enters the Speed Force to rescue Wally, and meets some familiar faces. Meanwhile, Jesse ignores H.R.'s advice and sets out to find and defeat Savitar on her own.
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S03E17 Duet
When Mon-El and Hank bring Kara to Earth-1 to ask Team Flash for help, Music Meister puts Barry under his spell as well and traps him and Kara in a musical where they have to finish the story to escape... and if they die in the musical then they die in real life as well. This story line started at the end of Supergirl: "Star-Crossed", Season 2, Episode 16.
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S03E18 Abra Kadabra
A new villain, Abra Kadabra, seeking out high-tech items. When Flash captures him, Abra offers the speedster Savitar's name if Flash lets him go. Meanwhile, Julian is forced to operate on a badly injured Caitlin.
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S03E19 The Once and Future Flash
Barry travels to 2024 to discover who Savitar is and use the information to save Iris. However, he soon discovers that Team Flash was destroyed when Iris was killed... and Barry is responsible. Meanwhile, Killer Frost finds someone who can give her what she wants.
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S03E20 I Know Who You Are
The team finds Tracy Brand, the woman that Future-Barry said would be able to imprison Savitar four years in the future. However, Savitar intends to kill Tracy and is using Killer Frost to do so. Meanwhile, Cecile tells Joe that she loves him and he freezes up.
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S03E21 Cause and Effect
Cisco comes up with a plan to stop Savitar involving preventing Barry from forming short-term memories. However, the plan doesn't go as intended. Meanwhile, Killer Frost returns to S.T.A.R. Labs to help the team.
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S03E22 Infantino Street
With 24 hours left to save Iris, Barry recruits Len Snart from the past to steal a Dominator power cell from ARGUS. Meanwhile, Joe and Kid Flash take Iris somewhere that Savitar can't find her, and Killer Frost calls Vibe out to kill him... and the last vestiges of her old self.
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S03E23 Finish Line
Savitar kills one of the team, and then comes up with a new plan to become a god… and Barry must come up with a way to stop him.
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