Crisis on Infinite Earths: Part Four

The episode is the fourth part of the five-part crossover,.

Synopsis
Stuck in the Vanishing Point, the Paragons search for a way to escape. The futility of the situation is compounded by The Flash's disappearance. However, hope appears in the form of Oliver Queen, who reveals that he has become something else. Meanwhile, the origin stories for The Monitor and Anti-Monitor are revealed.

Protagonists

 * Mar Novu
 * The Monitor (Xneen)
 * Paragons
 * Ryan Choi
 * Batwoman (Kate Kane)
 * Martian Manhunter/John Jones (J'onn J'onzz)
 * Supergirl (Kara Zor-El)
 * Lex Luthor
 * The Flash (Barry Allen)
 * Spectre/The Arrow/Green Arrow (Oliver Queen)
 * Spectre (Jim Corrigan)
 * Barry Allen
 * Ray Palmer
 * Team Arrow
 * Laurel Lance
 * John Diggle
 * Superman (Kal-El) (Earth-38)
 * Lois Lane

Antagonists

 * Anti-Monitor (Mobius)
 * Dark Archer (Malcolm Merlyn)
 * Nyssa al Ghul (Nyssa Raatko)
 * Deathstroke (Slade Wilson)
 * Ra's al Ghul
 * Damien Darhk
 * Prometheus (Adrian Chase)
 * Superman (John Deegan)
 * Shadow Demons

Other Characters

 * Amanda
 * Superman (Kal-El) (Earth-96)
 * Victor Stone
 * Felicity Smoak
 * Simone
 * Quentin Lance
 * Dinah Lance
 * Lena Luthor

Teams and Organizations

 * Paragons
 * Time Masters
 * Sith
 * Queen Consolidated
 * S.T.A.R. Labs
 * Palmer Technologies
 * Channel 52
 * Civic Hotel
 * Team Arrow
 * Legends

Species

 * Maltusians
 * Humans (Earth-1)
 * Kryptonians (Earth-38)
 * Humans (Earth-38)
 * Green Martians (Earth-38)
 * Metahumans (Earth-1)
 * Ghosts
 * Spectres
 * Metahumans (Earth-38)
 * Shadow Demons
 * Dominators

Objects and Concepts

 * The Monitor Armor
 * Quantum Portal
 * Antimatter
 * Anti-Monitor Armor
 * White Canary Suit
 * Batsuit
 * Utility Belt
 * Supergirl Suit
 * Kal-El's Blanket
 * Superman Suit
 * Teleportation Device
 * The Flash Suit
 * League of Assassins Armor
 * Bow and Arrow
 * Malcolm Merlyn's Bow and Arrow
 * Nyssa al Ghul's Bow and Arrow
 * Adrian Chase's Bow and Arrow
 * Oliver Queen's Bows and Arrows
 * Deathstroke Suit
 * The Arrow Suit
 * Spectre Suit
 * Green Arrow Suit
 * Prometheus Suit
 * Tachyons
 * The Flash Suit (Earth-1: Post-Crisis)
 * Book of Destiny
 * S.T.A.R. Labs Mobile Research Unit
 * Dominator Mothership
 * Martian Manhunter Suit
 * Superman Suit (Earth-38)
 * Superman Suit (John Deegan)
 * Canary Suit
 * Black Canary Suit
 * Magic
 * Expandable Batons

Locations

 * Undesignated Universe
 * Maltus
 * Mar Novu's Lab
 * Temporal Zone
 * Antimatter Universe
 * Vanishing Point
 * Speed Force
 * Earth-1
 * Earth
 * United States of America
 * Washington
 * Starling City/Star City
 * Robert Queen Applied Sciences Center
 * Palmer Technologies HQ
 * Foundry
 * Missouri
 * Central City
 * S.T.A.R. Labs Central City Facility
 * Hall of Justice
 * Civic Hotel
 * Oregon
 * Nanda Parbat
 * Lian Yu
 * Purgatory
 * Earth-Prime