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The Flash S08E04, Armageddon (4)S08E04

The Flash · Season 8

The Flash season 8 episode 4: Armageddon (4)

Aired 7 December 202143 minRated TV-PG

7.1TMDB · 10 votesMark watched

Where to watch The Flash Season 8 in Australia

The Flash season 8 is streaming in Australia on Prime Video (subscription), HBO Max (subscription) and Stan (subscription), and free on 9Now. You can also buy it on Apple TV from $29.99, Fetch TV from $39.99 and Prime Video Store from $29.99.

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Free

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Availability checked 16 November 2026.

What happens in “Armageddon (4)”

Barry is shocked when Eobard Thawne returns in the most unexpected way, and with a tie to a loved one. Damien Darhk offers advice to Barry but there is a catch. An epic battle begins with Reverse Flash pitted against The Flash, Team Flash, Batwoman, Sentinel and Ryan Choi.

Episode summary: TMDB.

Before you watch

  • It is episode 4 of 20 of season 8, so watch episodes 1 to 3 first.
  • It runs about 43 minutes.
  • Directed by Chad Lowe, written by Lauren Barnett.
  • TMDB users rate it 7.1 out of 10 (10 votes).

The Flash trailer

The official trailer for the series (no preview of this episode has been published).

The Flash trailerPlay video: The Flash trailer

Cast and crew of this episode

Director
Chad Lowe
Writer
Lauren Barnett
Guest stars
Jon Cor as Mark Blaine / ChillblaineOsric Chau as Ryan ChoiJavicia Leslie as Ryan Wilder / BatwomanTom Cavanagh as Eobard Thawne / Reverse-Flash / The FlashCourtney Ford as Nora Darhk (archive footage)Chyler Leigh as Alex Danvers / SentinelTony Curran as DesperoAndres Soto as Marcus

Credits: TMDB.

More from The Flash Season 8

Previous · S08E03Armageddon (3)30 November 2021Next · S08E05Armageddon (5)14 December 2021
  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18
  19. E19
  20. E20

Every episode of Season 8The Flash episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.