A Girl Named Sue

"Oh, my God. It's you. You're Sue Dearbon. In the flesh. And you are?"

- Ralph Dibny and Sue Dearbon

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 Characters

 * Team Flash
 * Elongated Man/Joe West (Ralph Dibny)
 * The Flash (Barry Allen)
 * Cecile Horton
 * Joe West
 * Harrison Nash Wells
 * Harry Wells
 * Iris West-Allen

Villains

 * Sue Dearborn
 * Eva McCulloch's Army
 * Eva McCulloch
 * Iris West-Allen
 * David Singh
 * John Loring
 * Remington Meister
 * Black Hole
 * Ultraviolet (Esperanza Garcia)
 * Joseph Carver
 * Doctor Light (Kimiyo Hoshi)
 * Amunet Black
 * Goldface
 * Sam Scudder
 * Lex Luthor
 * Lillian Luthor
 * Lena Luthor

Other Characters

 * Cisco Ramon
 * Jenna West
 * Harrison Wells
 * Linda Park
 * Nora West-Allen
 * Leonard Snart
 * Supergirl (Kara Zor-El)
 * Alex Danvers
 * Vin Diesel
 * Richard Dearbon
 * Penelope Dearbon
 * Frank

Teams and Organizations

 * Team Flash
 * Central City Citizen
 * Central City Police Department
 * Black Hole
 * McCulloch Technologies
 * McCulloch Technologies
 * Man of Tomorrow Award
 * CatCo Worldwide Media
 * Ralph Dibny, Private Investigator
 * Cecile Horton, Metahuman Attorney
 * MIT

Events

 * Particle Accelerator Explosion
 * Escape from John Loring
 * Theft of the Black Hole Diamond
 * Crisis
 * Liberation of Eva McCulloch

Species

 * Humans
 * Metahumans
 * Reflections
 * Horse

Objects

 * Elongated Man Suit
 * The Flash Suit
 * Flash Day
 * Goldfinger Helmet
 * CCPD Shields
 * Nora West-Allen's Journal
 * Sonic Gauntlets
 * The Diary of Harrison "Harry" Wells
 * Techno Fanny Pack
 * Harrison Nash Wells' Gauntlet
 * Cold Gun
 * Mirror Gun
 * Central City Bus 405
 * Supergirl Suit
 * Sentinel Suit
 * Thief's Helmet }
 * Meta-Tech
 * Sue Dearbon's Catsuit
 * Ultraviolet Suit
 * Mario Kart
 * Black Hole Diamond

Locations

 * Earth-Prime
 * Earth
 * United States of America
 * Missouri
 * Central City
 * S.T.A.R. Labs Central City Facility
 * S.T.A.R. Labs Particle Accelerator
 * Iron Heights Penitentiary
 * West-Allen Loft
 * E. Matz Street
 * The Bentley Building
 * Central City Police Precinct
 * Sue Dearbon's Apartment
 * McCulloch Labs
 * CC Jitters
 * John Loring's Warehouse
 * CC Mercantile Bank
 * Midway City
 * National City
 * Kyoto
 * France
 * Paris
 * US Embassy
 * Spain
 * Mirrorverse
 * Central City
 * McCulloch Labs
 * Nash's Mind

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 that 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