Original air date: 10/09/2018 Runtime: 42:19 min. In the season premiere, Barry and Iris must figure out how to get Nora back to the future without disrupting the timeline... even more than she already has. And Team Flash must work together to send Nora back, while simultaneously fighting off another villainous meta.
Original air date: 10/16/2018 Runtime: 42:03 min. As Barry helps his daughter Nora become a better speedster, he and Team Flash also track down a meta stealing high-tech weapons, only to cross paths with a new foe named Cicada, who is hunting the very same meta with nefarious intent.
Original air date: 10/23/2018 Runtime: 42:23 min. After Cicada’s attack on The Flash, the team realizes they need to think outside the box to stop this dangerous new foe. Desperate to help her parents, Nora comes up with a plan that ultimately puts a member of Team Flash in danger. Meanwhile, Caitlin delves into her past.
Original air date: 10/30/2018 Runtime: 41:16 min. Barry and Iris face the ultimate parenting test when Team Flash battles Spin (guest star KIANA MADEIRA), a savvy millennial armed with meta tech, and a dangerous agenda for their daughter, Nora. Ralph is feeling defeated until an unlikely source issues a challenge to help boost his confidence.
Original air date: 11/13/2018 Runtime: 42:23 min. When Nora lets slip something about the future that devastates Iris, Barry asks Iris to team up to stop a new meta, Rag Doll (guest star TROY JAMES), in an attempt to distract his wife. Meanwhile, Caitlin learns something about her father (guest star KYLE SECOR).
Original air date: 11/27/2018 Runtime: 42:19 min. While Nora grapples with unresolved anger over her father’s disappearance in the future, Barry and Team Flash must stop a powerful new meta, Weather Witch (guest star REINA HARDESTY) from killing her own father, Weather Wizard (recurring guest star LIAM McINTYRE).
Original air date: 12/04/2018 Runtime: 42:24 min. In the 100th episode, Barry and Team Flash come up with a plan to stop Cicada. However, the plan calls for Barry and Nora to travel back in time to gather some key necessities. However, Barry hesitates, concerned about his daughter seeing certain parts of his life. Meanwhile, Sherloque takes his concerns about Nora to Iris, and Caitlin turns up a key asset in the fight against Cicada. Series star Tom Cavanagh directs.
Original air date: 12/09/2018 Runtime: 42:24 min. When Barry Allen and Oliver Queen (guest star STEPHEN AMELL) wake up one morning and realize they have swapped bodies with each other, the two set off to find out what disturbed the timeline to cause such a shift. However, things quickly go from bad to worse when they present their case to Team Flash and the gang doesn’t believe them. Barry and Oliver realize they need Supergirl’s help and travel to Smallville on Earth-38 where they end up meeting Kara’s cousin, Clark Kent (guest star TYLER HOECHLIN), and intrepid reporter, Lois Lane (guest star ELIZABETH TULLOCH).
Original air date: 01/15/2019 Runtime: 42:22 min. While Nora grapples with the revelation that Thawne (TOM CAVANAGH) killed her grandmother, Team Flash must stop the formidable team-up of a newly sprung from jail Weather Witch and Silver Ghost (guest star GABRIELLE WALSH), a new meta-tech villain who can control engines and motorized technology. Meanwhile, Caitlin and Cisco discuss creating a meta-human cure.
Original air date: 01/29/2019 Runtime: 42:17 min. When Sherloque wants to use a memory machine on Barry and Nora to help gain access to Grace’s memories, Nora panics, fearing her parents will find out the secrets she’s been keeping from them. Nora secretly decides to use the machine on her own which ends in disaster after she gets trapped inside Grace’s mind. Barry and Iris go in after their daughter and Iris is brokenhearted by what she finds. Meanwhile, Ralph tricks Cisco into going out for a night out on the town.
Original air date: 02/05/2019 Runtime: 42:20 min. Barry and Ralph must go undercover as criminals in an illegal black market to purchase a device that could help them stop Cicada. Once inside, Barry and Ralph find their morality tested as they slip deeper into the criminal world, eventually having to choose between committing a crime, or losing the means to defeat one of their greatest foes. Meanwhile, Iris investigates a lead on Cicada’s whereabouts and ends up in a dangerous situation.
Original air date: 02/12/2019 Runtime: 42:23 min. After Iris lands in serious danger, Nora races to save her mother. Meanwhile, Barry puts the finishing touches on the metahuman cure, leaving Cisco with a rare night off – so he decides to take Kamilla (guest star VICTORIA PARK) on a date.
Original air date: 03/05/2019 Runtime: 41:46 min. When Gorilla Grodd (voiced by DAVID SOBOLOV) attacks Central City, Barry and Team Flash find themselves teaming up with an unexpected ally to defeat him – King Shark (voiced by DAVID HAYTER). However, when they hit a snag, they bring in Dr. Tanya Lamden (guest star ZIBBY ALLEN) to try to reach the man behind the shark, Shay Lamden (guest star DAN PAYNE).
Original air date: 03/12/2019 Runtime: 42:13 min. With the meta-human cure ready to use, Barry and Team Flash must figure out a way to subdue Cicada long enough to take it. Although Killer Frost steps in to help with the plan, Nora isn’t happy about the way her dad plans to stop Cicada. Meanwhile, Joe eases back into work.
Original air date: 03/19/2019 Runtime: 42:28 min. Team Flash finds out that a suburban mom named Vickie Bolen (guest star CATHERINE LOUGH HAGGQUIST) is in danger and they race to save her. Upon meeting her, they discover she’s a meta-human who is hiding her abilities from her family. Barry encourages Vickie to share her secret with her family, which makes Nora realize she needs to come clean with her parents about Thawne (TOM CAVANAGH).
Original air date: 04/16/2019 Runtime: 42:22 min. After discovering that Nora is working with Thawne, Barry and Iris disagree about how to handle their daughter in the wake of this shocking news. Team Flash isn’t sure they can trust Nora, so they go through her journal to find out exactly how she came to work alongside their greatest nemesis. Series star Danielle Panabaker directs.