- "I want you to think about the biggest secret in your life—the one that you keep from the people that you love, or even from yourself. I want you to imagine what would happen if that secret got out."
- —Nora West-Allen
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.
- Nora's memories were originally part of an alternate future in which Cicada is David Hersch instead of Orlin Dwyer and Grace Gibbons. However, when Barry and Iris entered those memories, Iris revealed they were seeing the life of Nora in the current timeline, in which Nora came back in time and changed the future, presumably changing Hersch's destiny as Cicada as well. So the future that they were witnessing is the future of the current timeline, not the original future that Nora hails from, although her childhood was the same.
- This episode confirms that the "Myles" mentioned in the beginning of the season was indeed Dexter Myles, who curated the Flash Museum in the DC comics.
- When Team Flash goes ice skating, Caitlin wears a sweater based on the one worn by Killer Frost in the DC Bombshells comic.
- This episode reveals that it was Iris who founded The Central City Citizen newspaper, which includes the article she wrote surrounding Barry's disappearance while fighting Eobard Thawne during a Crisis in 2024.
- This episode breaks the fourth wall in that the toy phones at the Flash Museum have a ringtone of the show's theme song.
- One of the villains the future recording of Singh in the Flash Museum mentions is the Red Death, who in the comics was a version of Bruce Wayne from the Dark Multiverse who became a mass-murdering speedster after fusing himself with his universe's Barry Allen.
- Nora reads a comic of the Flash which has the original Cicada as he appears in the DC comics. The comic is The Flash Vol. 2 #172.
- Cicada's known bodycount as mentioned in Nora's memory, 152, is nod to the series' repetitive use of the number 52.
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