- "The Enlightenment will come for you, too, Marlize. I will be all that remains."
- "Oh, Clifford. You are nothing without me."
- —Clifford DeVoe and Marlize DeVoe as Marlize deserts her husband
"Therefore She Is" is the twentieth episode of the fourth season of , and the eighty-ninth episode overall. It aired on May 1, 2018.
|Team Flash team up with Gypsy to try to thwart the Thinker's plan. Meanwhile, Cisco and Gypsy have a heart to heart talk about their relationship.|
"Therefore She Is" starts with a flashback of the DeVoe's preceding their marriage. They're apparently in a talk bunch at Cambridge, bantering on themes before a school class.
Present day, Cisco's working in his lab when a break opens up and Gypsy sends him a message box. She requests his report on whether Cisco's anticipating taking her dad's breaking work.
Group Flash accumulates around Caitlin, attempting to run her through tests trying to bring Killer Frost back. None of the tests are working and Harry starts to overlook increasingly more data. At the point when the gathering sees, Cisco is compelled to uncover that Harry's reasoning top has harmed his insight.
Cisco makes reference to that Harry's condition is more than likely reversible and Caitlin offers to take a shot at it full-time, however Harry will not let her surrender her different employments to get him out.
At Vandermeer Steel, the DeVoes show up looking for an extraordinary composite. Clifford ingests the entirety of the permit and when they're on out, they're halted by a security watch. Clifford makes the gatekeeper turn the weapon on himself, a lot to the mistake of Marlize.
The following day, Joe shows up at Vandermeer with Barry, Cisco, and Iris. Barry speeds around the lab and finds a record for a "Composite 1771" that is absent. Iris returns and lets them know "Composite 1771" was a sun powered board used to assimilate the sun's vitality at 400% the rate. They take a stab at persuading Cisco to utilize his forces to vibe the board's area however he says he isn't ground-breaking enough to follow The Thinker. Barry attempts to instruct him to consolidate his capacity with Gypsy's.
Another flashback, the DeVoe's are having an excursion.
Rover shows up and she and Cisco start co-vibing. They see a harbor with delivery compartments. All the more explicitly, a delivery holder with the number 16 on it. They show up at the harbors yet they're past the point of no return, DeVoe has just gotten the things out of the transportation holder.
DeVoe transports Barry somewhere else and thumps both Cisco and Gypsy back. DeVoe get away. At the point when Cisco and Gypsy recover financially, they start contending about one another not being sufficiently centered. Barry shows up back at the dock and catches the Gypsy and her dad have extended to Cisco another employment opportunity.
The group reconvenes at STAR Labs and Barry begins conversing with Cisco about the bid for employment. Bary offers to help manage him in settling on the correct choice.
Another flashback, the DeVoe's are moving boxes into their new home. Marlize starts unloading a case when she finds a diary of Clifford's she starts understanding it. Afterward, Clifford gets back and Marlize asks him whether he accepts the stuff he wrote in the diary. She asserts it as a statement against those engaged with the mechanical segment.
Cecile shows up at Harry's lab and discloses to him that Joe advised her to get her psychological dampener to get an update. After she evacuates the dampener, she in a split second hears Harry's considerations hollering at her. Harry reveals to her the more he thinks, the faster his psyche gets feeble.
Barry discovers Gypsy at Jitters and has a go at conversing with her about her relationship with Cisco. Barry surges Gypsy back to STAR Labs, where he can converse with them two without a moment's delay. Barry uncovers that Cisco hasn't settled on a choice since he's apprehensive about leaving his group. As the penetrating couple discusses their relationship, an alarm goes off and it's indicated that there's another break-in at Vandermeer.
Cisco and Gypsy attempt co-vibing once more, however it doesn't work. Bary has a go at conversing with them once more, however Iris gives persuading him to remain a shot of their business and let them make sense of it themselves.
Harry and Cecile are talking when Cecile acknowledges she can hear Harry's contemplations before they vanish. On the off chance that she composes sufficiently quick, she's ready to record his considerations before the vanish.
In a flashback, Marlize is chipping away at a venture that makes clean water in creating nations. She gets an approach her telephone and it's Clifford in tears, he's imploring her to return home. Marlize camp is then assaulted by radicals and she hangs up the telephone, leaving Clifford in obscurity.
Cisco and Gypsy at long last get around to talking. Simultaneously, the two of them state that they don't need Cisco to take the activity. Cisco reveals to Gypsy he needs more in their relationship. He's burnt out on living on various planets. Barry rings in and tells the two that he needs them on the concourse.
Barry's clarifying that DeVoe is dealing with make an arrangement of satellites to control quantum PCs that will help spread their "edification" messages. An alert goes off and the see the DeVoe's are taking a shot at taking the quantum PCs.
Barry, Cisco, Gypsy, and Caitlin show up and attempt to take the DeVoe's out. As Caitlin attempts to bring out Killer Frost, DeVoe utilizes his forces to start gagging Gypsy. Marlize gets up and won't watch DeVoe slaughter another blameless individual. She at last persuades Clifford to quit gagging Gypsy.
The group rendezvous at STAR Labs. Wells and Cecile surge in to reveal to them they know DeVoe's arrangements. He's going to attempt to utilize the PCs and his forces to decrease the knowledge of everybody on Earth.
Cisco and Gypsy vibe to the Collectors Agency HQ on Earth-19. They choose to cut off their association.
Joe shocks Cecile with an infant shower. Barry sees Cisco is somewhat down and goes to converse with him about Gypsy. Barry concedes he thinks Cisco to the correct thing.
Iris converses with Caitlin about her activities prior. Iris says she thinks Caitlin shouldn't place herself in hurts way again however Caitlin emphasizes that she'll get Killer Frost back regardless.
In another flashback, it's uncovered Clifford ventured out to the medical clinic Marlize is being held at after their assault. Marlize concurs with Clifford's considerations that innovation is the base of all malicious.
Present day, Marlize enters Clifford's seat. He gives requesting her a shot and she's vexed that he's attempting to assume control over the world now as opposed to edifying it. She uncovers that she's leaving Clifford and includes caught him inside his own pocket measurement. She leaves.
The secret young lady we've seen before this season thumps on Joe and Cecile's entryway. She leaves them a birth present and leaves before anybody can pose inquiries. We see her stowing away around the bend and she hurries off, uncovering she is a speedster.
- Grant Gustin as Barry Allen/The Flash
- Candice Patton as Iris West-Allen
- Danielle Panabaker as Dr. Caitlin Snow
- Carlos Valdes as Cisco Ramon/Vibe
- Neil Sandilands as Professor Clifford DeVoe/The Thinker
- Tom Cavanagh as Dr. Harry Wells
- Jesse L. Martin as Detective Joe West
- Danielle Nicolet as District Attorney Cecile Horton
- Kim Engelbrecht as Dr. Marlize DeVoe
- Jessica Camacho as Cynthia/Gypsy
Special appearance by
- Zachary Gulka as Security Guard
- Laura Jaye as Moderator
- Panta Mosleh as Peace Corps Volunteer
- Sean Poague as Accelerated Man
- The title of this episode is similar to the title of the seventh episode of the fourth season, "".
- Similar to that episode, this episode features flashbacks of the DeVoes.
- Discovering DeVoe's plan, Cisco likens him to a James Bond villain.
- The manner in which DeVoe attempts to choke Gypsy by using Janet Petty's gravity-bending powers to apply pressure around her throat is similar to the way Darth Vader, from the Star Wars franchise, uses the Force to choke others.
- Joe mentioned that Wally gave him and Cecile a bassinet that once belonged to Moses. This is a reference to Wally's time traveling adventures with the Legends, which were seen in the third season of .
- The mystery girl is revealed to also be a speedster.
- Accelerated Man returns, after making a brief appearance in "", however, this appearance was also a brief one.
- Cisco describes everything in DeVoes wake as the "Home Alone movies", referencing the Home Alone franchise which starred Macaulay Culkin in the first two films.
- The Mystery Girl "predicts" that Cecile's due date is 21 days from today which is the season 4 finale.
- The flashback when Clifford and Marlize first danced together is listed as 8 years prior to this episode, which would place it in 2010. However, in a continuity error, Clifford mentioned in "", that he and Marlize first danced together on June 13, 1997.
- The large Quantum Computers DeVoe shrinks must have their own source of power because when they shrunk there was no cables left or holes in the floor.
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