The Flash (2014 TV Series) Episode: What's Past Is Prologue

"What's Past Is Prologue"
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The Flash  Season 5: Episode 8
December 4, 2018
Directors	Tom Cavanagh
Writers	Todd Helbing Lauren Certo
Previous Episode	"O Come, All Ye Thankful" (November 27, 2018)
Next Episode	"Elseworlds, Part 1" (December 9, 2018)

It's why you didn't want me to come with you, isn't it? It's not because it was dangerous, or because of the timeline, but because you didn't want me to know these awful things about you so it's not what I would remember most when I went back.

—Nora West-Allen

What's Past Is Prologue is an episode of season 5 of The Flash. It premiered on December 4, 2018.

Appearing in "What's Past is Prologue"

Featured Characters:

• The Flash (Barry Allen) (Also in a vision)
• XS/Nora-West Allen (Nora's Future) (Also in a vision)

Supporting Characters:

• Gideon
• Team Flash (Flashback and main story) (Also in a vision)
  • Elongated Man (Ralph Dibny) (Also in a vision)
  • Iris West-Allen (Also in a vision)
  • Killer Frost (Caitlin Snow) (Flashback and main story) (Also in a vision)
  • Sherloque Wells (Earth-221)
  • Vibe (Cisco Ramon) (Also in a vision)

Antagonists:

• Cicada (Orlin Dwyer)
• Reverse-Flash (Eobard Thawne/"Harrison Wells") (Immpersonates Harrison Wells)
• Savitar (Flashback and main story) (Dies)
• Time Wraith
• Zoom/Hunter Zolomon (Earth-2) (Flashback and main story)

Other Characters:

• Doctor Ambres (First appearance chronologically)
• Captain Cold/Leonard Snart (Earth-90) (Cameo) (Dies)
• Captain Cold/Leonard Wynters (Earth-90) (Cameo) (Dies)
• Clyde Mardon (Cameo)
• Firestorm (Earth-90) (Cameo) (Dies)
• The Flash/Barry Allen (Earth-90) (Cameo)
• The Flash/Jay Garrick (Earth-3) (Also in a vision) (Cameo)
• Grace Gibbons
• Green Arrow (Earth-90) (Cameo) (Dies)
• Grodd (Also in a vision) (Cameo)
• Gypsy (Earth-19) (In a vision) (Cameo)
• Harry Wells (Earth-2)
• Hawkman (Earth-90) (Cameo) (Dies)
• Henry Allen (Also in a vision)
• Huntress (Earth-90) (Cameo) (Dies)
• Jesse Quick (Earth-90) (Cameo) (Dies)
• Joe West (Cameo)
• Kid Flash (Wally West) (Cameo)
• King Shark (Earth-2) (In a vision) (Cameo)
• Mark Mardon (Cameo)
• Martin Stein (Cameo)
• The Mechanic (Marlize DeVoe) (Also in a vision) (Cameo)
• The Monitor (Mar Novu) (Unnamed) (Cameo)
• Nora Allen
• Obsidian (Earth-90) (Cameo) (Dies)
• Pied Piper (Cameo)
• The Ray (Earth-90) (Cameo) (Dies)
• Ronnie Raymond (Cameo)
• Speed Force/"Nora" (In a vision) (Impersonates Nora Allen) (Cameo)
• Stargirl (Earth-90) (Cameo) (Dies)
• The Thinker (Clifford DeVoe) (Also in a vision) (Cameo)
• Danica Williams (Mentioned only)
• Dawn Allen (Mentioned only)
• Grace Gibbons' father (Deceased) (Mentioned only)
• Grace Gibbons' mother (Deceased) (Mentioned only)
• Jesse Wells/Jesse Chambers (Earth-2) (Mentioned only)
• The Legion of Super-Heroes (Nora's Future) (Mentioned only)
• Libby Lawrence (Mentioned only)
• Vickie Bolen (Mentioned only)

Locations:

• Multiverse
  • Earth-1
    • 2015
      • Central City
        • Central City Hospital
        • S.T.A.R. Labs
          • Time Vault
    • 2016
      • Central City
        • S.T.A.R. Labs
          • Time Vault
    • 2017
      • Central City
    • 2018
      • Central City
        • Central City Hospital
        • S.T.A.R. Labs
          • Time Vault
  • Earth-90 (Destroyed)
  • Nora's Future
    • Keystone City
      • Iron Heights
    • Central City
      • Flash Museum (Mentioned only)
  • Speed Force
  • Timestream
  • Earth-2 (Mentioned only)

Items:

• Book of Destiny (Cameo)
• Cicada's Dagger
• Flash's Costume Ring
• Nora's Journal
• Savitar's Armor (Destroyed)
• S.T.A.R. Labs' Particle Accelerator
• Thinking Cap (Cameo)

Vehicles:

• S.T.A.R. Labs' Van

Concepts:

• Time Language
• Time Travel

Notes

• No notes.

Trivia

• No trivia.

See Also

• 0 Images from The Flash (2014 TV Series) Episode: What's Past Is Prologue
• Episodes of The Flash (2014 TV Series)
• Images from The Flash (2014 TV Series)
• Gallery for the The Flash (2014 TV Series) series

Recommended Media

• None.

Links and References

• None.

Footnotes