It's My Party and I'll Die If I Want To

This episode marks the end of Interlude IV.

Synopsis
Team Flash throws a surprise birthday party for Barry, but things go terribly awry when Ramsey Rosso crashes the festivities.

Protagonists

 * Team Flash
 * The Flash (Barry Allen)
 * Iris West-Allen
 * Khione
 * Cecile Horton
 * Allegra Garcia
 * Chester P. Runk
 * Caitlin Snow
 * Spectre/Green Arrow (Oliver Queen)
 * Spartan (John Diggle)
 * Kid Flash (Wally West)
 * Central City Police Department
 * David Singh
 * Kristen Kramer

Antagonists

 * Blood Brothers
 * Mitch Romero
 * Bloodwork (Ramsey Rosso)
 * Kid Flash (Wally West)
 * Eobard Thawne
 * Pytor Orloff
 * Red Death

Other Characters

 * Bakinimal
 * Barry Allen (Earth-1)
 * Deathstorm
 * Duane Jones
 * Felicity Smoak
 * Francine West
 * Frost
 * Henry Allen
 * Jesse Wells
 * Joe West
 * John Diggle Jr.
 * Lyla Michaels
 * Mia Queen
 * Moira Queen
 * Nash Wells
 * Nora West-Allen
 * Prince Charming
 * Quentin Lance
 * Rachel Rosso
 * Robert Queen
 * Sara Diggle
 * Tommy Merlyn
 * Tupac Shakur
 * Wally West (Earth-1)
 * William Clayton

Events

 * Sabotage of Queen's Gambit
 * Flashpoint
 * Blood Brother Reign of Terror
 * Crisis on Infinite Earths
 * Evacuation of Earth-38
 * Death of the Speed Force
 * Ambush on Deathstorm
 * Arrest of Pytor Orloff
 * Rogue War

Species

 * Ghosts
 * Spectres
 * Humans (Earth-1)
 * Humans (Earth-Prime)
 * Metahumans (Earth-1)
 * Metahumans (Earth-2)
 * Metahumans
 * Zombies