For the eponymous character, see Eva McCulloch.
"You and I could have worked together toward a common good. It's too late now. Humankind is done. My children are taking over the world, and I'm their queen mother, and tonight I begin my reign as Mirror Monarch."
"Actually, we're just getting started.
Eva McCulloch and Barry Allen

"Mother" is the third episode of the seventh season of The Flash, and the one-hundred-thirty-sixth episode overall. It aired on March 16, 2021.



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Cisco wakes up and sees that Iris has been brought back from the Mirrorverse and Barry has returned to normal. At CCPD, Richard and Penelope Dearbon, under the guises of their duplicates, speaks to Joe about their daughter, until an officer appears and calls him saying that it is urgent. The officer reveals herself as Sue Dearbon and says that those are not really her parents. While the Team Flash tries to come up with a plan to defeat Eva, she takes Barry into McCulloch Technologies and convinces him that he and his team cannot win. She lets Barry go. Barry relaxes in the Lounge when Time Wells appears to help the team, and reminds Barry that he is the paragon of Love.

A melted Ralph and injured Sue make it to S.T.A.R. Labs for help and gives the team proof that she is innocent.

Giving Barry the key to getting the Speed Force back. Barry quickly explains to the team about how Iris still has bits of the Speed Force inside of her.

Iris wakes up and revives the Speed Force giving Barry his speed back, quickly Team Flash face off against Eva and convinces her to stop what she's caused. She returns to the Mirrorverse.

Time Wells talks to Cisco and leaves to live in a time-loop to relive the four years he had with Tess. He travels there. Ralph and Sue tell the team they're travelling the world to stop organizations just like Black Hole.

18 hours earlier, when Iris revived the Speed Force, the energy released split into four separate lightning bolts above S.T.A.R. Labs, which all went in different directions.



Guest starring




  • This episode was originally intended to be the finale of the sixth season.
  • The episode's title is likely an homage to how the mirror duplicates call Eva "mother".
  • Due to Ralph's actor Hartley Sawyer being fired, in-universe, his face is melted to "mashed potatoes" from surviving an explosion of 500°, and later, his head is hidden in a special healing helmet, allowing an excuse to not show his face.
    • Barry mentions that Ralph in the special healing helmet looks like Daft Punk, a French electronic music duo.
    • Chester mentions that Ralph's voice sounds like a Dalek, an alien species in the British television series Doctor Who.
  • Ralph brings up that he promised to take Frost on a road trip; which she still looks forward to.
  • Iris was a repository of Speed Force energy; every zap from touching Barry stored more in her; allowing the team to recreate the natural Speed Force through the artificial Speed Force machine and restore speed to the speedsters. Those shocks include:
    • When Barry attempts to lay a hand over Iris' as she is in her vegetative state, he receives a shock in return. This is identical to when Iris tried to do the same in "The Trap" when Barry was comatose only to also receive a shock.
      • Also from the same episode, after Eddie is taken by the Reverse-Flash, The Flash shows up and tells Iris to go home and before he runs off Iris grasps onto his hand and unknowingly zaps her.
  • When Chester P. Runk compares Eva's attacks as "T2 arms", it is a reference to Terminator.
    • In the same scene, Chester said he "knows how to mind his surroundings", which is most likely a reference to Batman Begins.
  • As a gift from Nash, the original Harrison Wells was reborn with the power to time travel at will. Harrison willingly puts himself in a loop of 1996 to 2000 to enjoy his marriage to Tess Morgan; being unable to alter time to save her from the crash (as Thawne would kill her anyway to keep his ruse going) and bring her to the 2020s.
  • According to Harrison, he was originally to live 92 years before he was killed by Eobard; meaning he was meant to die sometime in either 2055 or 2056 (if his age is concurrent to his actor),
  • Wells shaking Cisco's hand before leaving is likely a nod to what would often happen with Eobard and Cisco, where Eobard would lift his hand before killing or threatening to kill Cisco by phasing his hand through his chest, as originally seen in "Out of Time". This was also subverted in "What's Past Is Prologue" when Eobard and Cisco shook hands.
  • When the Speed Force is reborn, the bolt that shoots out separated into four different colors, which are likely the other Forces from the comics (Sage, Still and Strength), leaving the fourth unknown.
    • The fourth could either be the Speed Force itself, or the Forever Force, which a Cosmic Force that would grant one control over everything and that the wielders of Speed, Sage, Strength and Still have gone to war over before.


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