- 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 , and the one-hundred-thirty-sixth episode overall. It aired on March 16, 2021.
|As Eva becomes more powerful, Barry and the team must find a way to stop her. They are shocked when an old friend - Sue Dearbon risks her life to help.|
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.
- Grant Gustin as Barry Allen/The Flash
- Candice Patton as Iris West-Allen
- Danielle Panabaker as Dr. Caitlin Snow/Frost
- Carlos Valdes as Cisco Ramon/Mecha-Vibe
- Danielle Nicolet as Defense Attorney Cecile Horton and Cecile Horton
- Kayla Compton as Allegra Garcia
- Brandon McKnight as Chester P. Runk
- Efrat Dor as Eva McCulloch/Mirror Monarch
- Tom Cavanagh as Dr. Harrison Wells
- Jesse L. Martin as Captain Joe West
- Patrick Sabongui as Chief David Singh
- Victoria Park as Kamilla Hwang
- Natalie Dreyfuss as Sue Dearbon
- Stephanie Izsak as Officer Daisy Korber and Daisy Korber
- Jason Wong as Police Officer #1
- Brittany Palmer as Police Officer #2
- Stephen Ogden as Police Officer #3
- Linnea Currie-Roberts as Female Uni
- Mark Brandon as Richard Dearbon
- Nancy Hills as Penelope Dearbon
- Unknown as Ralph Dibny
- Keiynan Lonsdale as Wally West (archive footage)
- Jessica Parker Kennedy as Nora West-Allen (archive footage)
- 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.
- 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 "" when Barry was comatose only to also receive a shock.
- 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 "". This was also subverted in "" 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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