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The Flash S03E07, Killer FrostS03E07

The Flash · Season 3

The Flash season 3 episode 7: Killer Frost

Aired 22 November 201642 minRated TV-PG

7.5TMDB · 39 votesMark watched

Where to watch The Flash Season 3 in Australia

The Flash season 3 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 $29.99 and Prime Video Store from $27.99.

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Free

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Availability checked 16 November 2026.

What happens in “Killer Frost”

Caitlin uses her powers to save Barry but as her mother predicted, the effort unleashes her inner Killer Frost. Killer Frost goes on a rampage looking for Dr. Alchemy, kidnapping Julian and battling both The Flash and Vibe. Meanwhile, Joe and H.R. have a heart to heart talk.

Episode summary: TMDB.

Before you watch

  • It is episode 7 of 23 of season 3, so watch episodes 1 to 6 first.
  • It runs about 42 minutes.
  • Directed by Kevin Smith, written by Andrew Kreisberg, Brooke Roberts and Judalina Neira.
  • TMDB users rate it 7.5 out of 10 (39 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
Kevin Smith
Writers
Andrew KreisbergBrooke RobertsJudalina Neira
Guest stars
Greg Grunberg as Tom PattersonLisa MacFadden as AnneBlair Penner as CraigTaylor St. Pierre as AcolyteTobin Bell as Doctor Alchemy / Savitar (voice) (uncredited)Andre Tricoteux as Savitar

Credits: TMDB.

More from The Flash Season 3

Previous · S03E06Shade15 November 2016Next · S03E08Invasion! (II)29 November 2016
  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
  21. E21
  22. E22
  23. E23

Every episode of Season 3The 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.