Impulsive Excessive Disorder

This episode marks the beginning of Interlude II.

Synopsis
Picking up where season 7 left off, after returning home from a visit for their parent’s vow renewal, Bart and Nora quickly realize that things are not exactly as they left them. The duo race to repair any fissures in the timeline and restore everything back to the way it is supposed to be.

Main Characters

 * Impulse (Bart Allen)
 * XS (Nora West-Allen)
 * Team Flash
 * Barry Allen
 * Iris West-Allen
 * Caitlin Show
 * Cecile Horton
 * Frost
 * Allegra Garcia
 * Chester P. Runk
 * Jay Garrick
 * Central City Police Department
 * Joe West
 * Eddie Thawne

Villains

 * Sterling Gates
 * Royal Flush Gang
 * Queen (Mona Taylor)
 * King
 * Ten (Wanda Wayland)
 * Jack (Jake Foh)
 * Royal Flush Gang
 * Queen (Mona Taylor)
 * King
 * Ten (Wanda Wayland)
 * Jack (Jake Foh)

Other Characters

 * Cisco Ramon
 * Joan Williams
 * Newspaper
 * Jess Bebe
 * Vanessa O'Grady
 * Anthont Bellows Jr.
 * Abraham Froman
 * Anthony Bellows
 * Elizabeth Gutierrez
 * Morgan Harvey
 * Norman Yates
 * Athena Baros
 * Bruce Manthis
 * Fisk Ciney
 * Central City Police Department
 * Daisy Korber
 * Hawkshaw
 * Hendrik Lorentz
 * Henri Poincaré
 * Sophus Lie
 * Central City Police Department
 * Daisy Korber
 * Hawkshaw
 * Hendrik Lorentz
 * Henri Poincaré
 * Sophus Lie
 * Sophus Lie

Teams and Organizations

 * Team Flash
 * Big Belly Burger
 * CC Jitters
 * S.T.A.R. Labs
 * Flash Museum
 * Central City Weekly News
 * CCND
 * CC Daily
 * Central Gazette
 * Mornings in Central City
 * The Central Chronicle
 * National Free Press
 * Central City Explorer
 * Central City Police Department
 * Central City Pay Parking
 * O'Shaughnessy's
 * Royal Flush Gang
 * Central City Hospital
 * Central City Police Department
 * Central City Pay Parking
 * O'Shaughnessy's
 * Royal Flush Gang
 * Central City Hospital
 * Central City Hospital
 * Central City Hospital
 * Central City Hospital

Species

 * Metahumans
 * Humans
 * Metahumans (Earth-2)
 * Humans (Earth-2)
 * Split Personalities
 * Split Personalities

Objects

 * Time Aberrations
 * Temporal Wormholes
 * Helmet
 * Time Wave
 * XS Suit
 * Gauntlet
 * Holograms
 * Impulse Suit
 * The Flash Suit
 * Cosmic Treadmill
 * Jesse Quick Suit
 * A.T.O.M. Exosuit
 * Firestorm Suit
 * Quantum Splicer
 * Kid Flash Suit
 * Mecha-Vibe Suit
 * Gauntlets
 * Goggles
 * Frost Suit
 * Gauntlets
 * Goggles
 * Frost Suit

Locations

 * Earth-Prime
 * Earth
 * United States of America
 * Missouri
 * Central City
 * West House
 * Big Belly Burger
 * CC Jitters
 * West-Allen Loft
 * Fontana Drive
 * S.T.A.R. Labs Central City Facility
 * Flash Museum
 * Speed Lab
 * Central City Police Precinct
 * Central City Hospital
 * Keystone City
 * O'Shaughnessy's
 * Central City Police Precinct
 * Central City Hospital
 * Keystone City
 * O'Shaughnessy's
 * Central City Hospital
 * Keystone City
 * O'Shaughnessy's

Trivia

 * The majority of the episode takes place on December 31, 2013 and during the midnight of January 1, 2014. The ending, however, takes place on January 1, 2022.