A Girl Named Sue

Synopsis
After months of searching for Sue Dearborn, Ralph gets a lead on her whereabouts and finally comes face to face with his missing client. However, Sue refuses to return home to her family, and instead, takes Ralph on a daring adventure. Iris faces a new challenge while Barry considers a potentially dangerous request from a trusted source.

Main/Featured Characters

 * Team Flash
 * Flash (Barry Allen)
 * Ralph Dibny
 * Cecile Horton
 * Joe West
 * Nash Wells
 * Central City Citizen
 * Team Citizen
 * Iris West-Allen
 * Sue Dearborn
 * Eva McCulloch
 * Eva McCulloch

Villains

 * Black Hole
 * McCulloch Technologies
 * Iris West-Allen
 * Joseph Carver
 * Ultraviolet (Esperanza Garcia)
 * Doctor Light (Kimiyo Hoshi)
 * John Loring

Objects

 * Flash day poster
 * Goldfinger's helmet
 * Modified CCPD shields
 * Nora West-Allen's journal
 * Pied Piper's glove
 * The Diary of Harrison "Harry" Wells
 * Thief's helmet

Weapons

 * Cold gun
 * Mirror gun

Events

 * Discovery of Sue Dearborn

Locations

 * Earth
 * United States of America
 * Central City
 * S.T.A.R. Labs
 * Starchives

Trivia

 * This is the first episode of the series to not feature Danielle Panabaker.
 * The episode's title is a reference to the Johnny Cash song "A Boy Named Sue".
 * But it plays on the introduction of Sue Dearborn.
 * This episode marks the debut appearance of Eva McCulloch.
 * Compared to her comic counterpart, she is a woman and does not have villainous attention.
 * In this episode, Iris recalls the events of which have a similar event where Barry was stuck inside a mirror.
 * This is the third episode outside a crossover to mention Supergirl