Crisis on Infinite Earths: Part Four

The episode is the fourth part of the five-part crossover,. "Dying's the easy part. The dead are at peace, but the real heroes are the ones who have to keep going."

- Oliver Queen

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

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

Antagonists

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

Other Characters

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

Teams and Organizations

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

Species

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

Objects and Concepts

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

Locations

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