Memorabilia

Synopsis
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.

Main Characters

 * Team Flash
 * Nora West-Allen
 * Barry Allen
 * Iris West-Allen
 * Ralph Dibny
 * Caitlin Snow
 * Harrison Sherloque Wells
 * Harrison Sherloque Wells

Villains

 * Grace Gibbons
 * Grace Gibbons
 * Grace Gibbons

In Grace Gibbons's mind

 * Cicada (Orlin Dwyer)
 * Cicada (Grace Gibbons)
 * Cicada (Grace Gibbons)

In Nora West-Allen's mind

 * Amunet Black (name seen)
 * The Thinker (name seen)
 * The Trickster (name seen)
 * Savitar (name seen)
 * Reverse-Flash
 * Savitar (name seen)
 * Reverse-Flash
 * Reverse-Flash

Other Characters

 * Gideon

In Grace Gibbons's mind

 * David Singh
 * Jones
 * David Singh
 * Jones

In Nora West-Allen's mind

 * David Singh
 * Jones
 * Iris West-Allen
 * Vanessa Ambres
 * Iris West-Allen
 * Vanessa Ambres
 * Iris West-Allen
 * Vanessa Ambres

Teams and Organizations

 * S.T.A.R. Labs
 * Team Flash
 * The Central City Citizen
 * Central City Hospital
 * The Central City Gazette (first appearance) (mentioned)
 * The Central City Citizen
 * Central City Hospital
 * The Central City Gazette (first appearance) (mentioned)
 * Central City Hospital
 * The Central City Gazette (first appearance) (mentioned)
 * Central City Hospital
 * The Central City Gazette (first appearance) (mentioned)

In Grace Gibbons's mind

 * CCPD
 * Central City Hospital

In Nora West-Allen's mind

 * CCPD
 * S.T.A.R. Labs
 * Flash Museum

Species

 * Metahumans
 * Humans
 * A.I.
 * Humans (Earth-221)
 * Rabbit

Objects

 * The Flash Suit
 * Gauntlet
 * M.A.D. 2.0
 * Dark Matter
 * Time Language
 * The Book of Ralph
 * Time Language
 * The Book of Ralph

In Grace Gibbons's mind

 * Breaches
 * CFL Quark Matter
 * Cicada Suit
 * Cicada Mask
 * Lightning Dagger
 * Lightning Dagger

In Nora West-Allen's mind

 * Hall of Villains display
 * Zoom Suit
 * Savitar Armor
 * Amunet Black Suit
 * Hoverchair
 * The Trickster Suit
 * Reverse-Flash Suit
 * Hoverchair
 * The Trickster Suit
 * Reverse-Flash Suit

Locations

 * Earth-1
 * Earth
 * USA
 * Missouri
 * Central City
 * S.T.A.R. Labs Central City Facility
 * Time Vault
 * West-Allen Loft
 * Unnamed Building
 * The Central City Citizen
 * Central City Hospital
 * Grace Gibbons's mind
 * Earth-1
 * Earth
 * USA
 * Missouri
 * Central City
 * Central City Police Precinct
 * 4th and Waid
 * Central City Hospital
 * Nora West-Allen's mind
 * Earth-1
 * Earth
 * USA
 * Missouri
 * Central City
 * Central City Police Precinct
 * S.T.A.R. Labs
 * Flash Museum
 * Hall of Villains
 * Earth-1
 * Earth
 * USA
 * Missouri
 * Central City
 * Central City Police Precinct
 * S.T.A.R. Labs
 * Flash Museum
 * Hall of Villains

Trivia

 * It was mentioned that Earth-221 does not have any zambonis.