The Flash: Season 5

Team Flash meets Nora, Barry and Iris' daughter from the future. While Iris expresses excitement, Barry is concerned that she could alter the timeline based on his own mistakes with time travel. When Barry tries to send Nora home, Wally reveals that Nora's blood is saturated with negative tachyons, preventing her from using the Speed Force or the Legends' Waverider to time travel. Barry asks Nora what happens to him in the future, so she reveals that he never returned after disappearing in 2024

Barry struggles to train the overeager Nora, who gets herself hired as a CSI intern to spend more time with her father, much to Iris' discomfort. Caitlin and Ralph try to help Cisco following his breakup with Gypsy, with Cisco eventually accepting he needs to move on. Caitlin refuses to pursue the idea that her father might still be alive, despite Ralph's insistence. Cecile starts to lose her telepathy and struggles to connect with her child without being able to know her thoughts. Meanwhile, a

The team recruits Harrison Sherloque Wells to help them catch Cicada, who Nora reveals is unstoppable in the future. Caitlin and Ralph confront Caitlin's mother, Carla Tannhauser, who denies forging her husband's death certificate. They later break into her files and find a suicide note from Caitlin's father. Sherloque pinpoints Cicada as David Hersch, as he was previously correct 37 times. As a result of Nora's tampering with the timeline, however, his identity on Earth-1 is different. Cicada a

The team discovers articles about XS written by Iris' former colleagues Spencer Young which are all published just before the events take place. Iris contacts Spencer to ask her to refrain from putting XS in her articles in order to protect Nora, but fails. Spencer is revealed to be in possession of a cell phone that allows her to control the minds of people she texts about so she can create articles for her blog. Iris learns from Nora that she does not like her because in the future, the former

Barry and Nora go to stop some art thieves, with Iris getting frustrated when Nora cuts her off. Nora reveals that, in the future, Iris is cold, distant, and critical of her actions. Nora goes to spend some time with Cecile, finding out more about Iris from her. Later, a new meta called Rag Doll attacks an architect and destroys his office, though the Flash saves him. Iris and Barry try to investigate the new meta, but the latter gets captured by Rag Doll and held hostage on a rooftop with power

Barry, Cisco, and Caitlin find her father, Thomas, in an arctic facility and bring him to S.T.A.R. Labs, where he reveals that both he and Caitlin developed ice powers as a result of his experiments in trying to treat their ALS gene. Thomas claims he is dying as a result of never having manifested an alternate personality like Killer Frost, but Cisco is suspicious. He returns to Thomas' lab, where he discovers "Thomas" is actually an alternate personality wearing skin grafts to pose as him. Cait

Barry attempts to see Grace, but Cicada's reluctant ally Dr. Ambres impedes him. Barry and Nora later stop a freak lightning storm from hitting Central City's power grid. Team Flash suspects Mark Mardon, even though he's in jail, but Nora and Barry instead encounter his estranged daughter, Joss Jackam / Weather Witch, who wields a weather control staff like her father. Barry and Nora bring Mardon to her in order to appease her, but to no avail. An angered Joss attacks an airport with a lightning

Barry and Nora time travel to gather items needed to stop Cicada; a highly magnetic alloy from Savitar's armor, Harry Wells' Speed Force transmitter, and dark matter. They first travel to Team Flash's final battle with Savitar. After a Time Wraith appears, Barry distracts it so Nora can retrieve a piece of the armor. They next travel to when Zoom stole Barry's speed for the transmitter, which Barry obtains from Harry. Zoom discovers Barry and Nora and gives chase before he is stopped by the Time

On a decimated Earth-90, the Flash is seen crawling towards a book, but a mysterious stranger picks it up and uses it to destroy that reality, though the Flash escapes. On Earth-1, the stranger presents the book to Arkham Asylum psychiatrist Dr. John Deegan and instructs him to rewrite reality as he sees fit. The following morning, under threatening red skies, Oliver Queen and Barry discover that they have swapped lives, with everyone believing they are each other. When they seek the assistance

Nora refuses to continue working with Thawne upon learning he killed her grandmother. Barry and Nora encounter a new villain, Silver Ghost, who possesses meta tech allowing her to access any car. An encounter with her and her tech leaves Barry phasing uncontrollably, so Nora and Team Flash help him into the pipeline, where he can stabilize for 24 hours. Silver Ghost frees Joss Jackam from CCPD's custody so she can help her steal a WayneTech car in A.R.G.U.S.'s possession. Silver Ghost uses the c

Cicada returns, killing metahumans from an arrest log provided by someone inside CCPD. When Team Flash tries to stop him, the villain paralyzes Nora and slows down her speed healing. Once the team determines Cicada's pattern, Cecile tracks down the informant while the rest round up the remaining metas on the log. Caitlin continues working on the metahuman cure, but needs blood from a recently created one. Cicada finds the meta group protected by Team Flash. While Ralph helps the metas escape, Fl

The team plans to wake up Grace using Sherloque's Memory Machine from Earth-221. Against his instructions, Nora enters Grace's memories by herself to prevent the others from learning about her secret alliance with Thawne. To her horror, she discovers that Grace is consciously aware of Orlin's actions and wholeheartedly supports him in his anti-metahuman agenda before being attacked by a female version of Cicada. Meanwhile, Barry and Iris discover what Nora did and go in after her, only to end up

Team Flash completes the metahuman cure, but requires Cicada to hold still long enough for it to take effect. Ralph finds a device capable of doing so in the hands of a metahuman crime boss called Goldface. Despite Barry's hesitation, he and Ralph go undercover as criminals to retrieve it from him. Though he is suspicious, Goldface decides to take the heroes on a job to steal a 3-D printer from Ivo Labs in exchange for the device. Even though they are discovered, Barry and Ralph are able to stop

Barry takes the meta cure into the Speed Force for an hour to help speed up the synthesizing process, leaving an uneasy Nora behind. Elsewhere, Cicada kidnaps Iris, but she manages to alert Nora and Killer Frost to her location. They arrive, but Cicada slays Killer Frost, distressing Nora to the point where she runs so fast that she resets the timeline. When Nora tries to prevent Iris' death, Cicada ends up kidnapping Sherloque instead and, although the situation plays out like last time, Cisco

With the metahuman cure finally finished, Team Flash decides that King Shark would be the ideal test subject. The team travels to A.R.G.U.S. and asks Lyla to get in contact with King Shark, who aggressively attacks the team while under Gorilla Grodd's mind control. Barry reacts by injecting the cure into King Shark, turning him back into his human form – Shay Lamden. Back at S.T.A.R. Labs, Caitlin discovers that, although the cure worked, there is still dark matter in Shay's pituitary gland, cau

In 2049, Thawne warns Nora that they have to act fast to stop Cicada once and for all, because a new timeline is trying to push its way into being, bringing something really big with it. In the present, Nora and Barry confront a new metahuman named Acid Master whose burn mark was on a newspaper article shown to Nora in the future, leading her to deduce that the final confrontation with Cicada is upon them. Meanwhile, Joe and Cecile interrogate Dr. Ambres about working with Orlin. She then reveal

In 2049, Thawne is surprised by the appearance of the new Cicada and, with no other options, asks Nora to reveal the relationship between them to her father. The adult Grace reveals to Orlin that she came from a future where metahumans thrive so that she can complete what she believes is still his mission. Team Flash discovers that the new Cicada arrived in a Time Sphere, stolen from S.T.A.R. Labs' storage in the future. Following some leads, including a police file stolen by the new Cicada, the

Team Flash reads Nora's journal and learns that she discovered her powers and relation to the Flash after subsequent encounters with two speedsters: August Heart / Godspeed and Thawne. Flash-forwards show Nora working as a forensic scientist like her father. After being hit by Godspeed, Nora discovers she had a chip implanted into her that dampened her powers, causing a rift between her and her mother. After Godspeed's citywide rampage kills Nora's best friend and co-worker Lia, Thawne helps Nor

Barry and Iris fight over him sending Nora back without consulting her. Iris reprograms the Time Sphere and travels to 2049, where Nora wants Thawne to teach her to use the Negative Speed Force to time travel without detection. After an unsuccessful attempt, Nora and Thawne are confronted by Iris. Instead of going with her, an angered Nora enters the Negative Speed Force. Thawne admits he made a mistake and tells Iris to reunite her family. Meanwhile, Icicle steals a cryo-atomizer from Tannhause

Nora plans a heist at McCulloch Technologies, who have made weapons from the satellite shrapnel. Needing accomplices who will not be affected by the meta-power dampeners on-site, she recruits Brie Larvan, Rag Doll, and Joss. After getting through the dampeners, Nora's Rogues turn on her and threaten to kill all the employees unless the Flash reveals his identity. While Sherloque distracts the Rogues as a hologram of the Flash, Iris and Joe help the hostages escape and take down Rag Doll while Ba

Team Flash decide to gather Central City's metahumans at CCPD and distribute the cure to protect them against Cicada II. Sherloque goes to get Renee, but she refuses to take it and is sent to safety on his Earth. Nora reveals she is still connected to Grace's mind and feels her anger through the Negative Speed Force. She wants to look through Grace's eyes to locate her, but her parents decide it is too dangerous. Ralph tries to figure out Thawne's plan, but the others are more interested in stop

Ralph saves the dagger, which Cicada II reclaims before escaping. After Sherloque explains Thawne's plan, Nora realizes that she was played and comes up with a plan to stop Cicada II without destroying the dagger. Once the team tracks Cicada II to her younger self, Nora enters her mind and convinces her to take the cure. However, the shard in Grace's head counteracts it, so Barry's forced to destroy the dagger anyway; resulting in the adult Grace being erased while in 2049, Thawne regains his po