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The Flash S01E21, Grodd LivesS01E21

The Flash · Season 1

The Flash season 1 episode 21: Grodd Lives

Aired 5 May 201541 minRated TV-PG

7.4TMDB · 61 votesMark watched

Where to watch The Flash Season 1 in Australia

The Flash season 1 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 $29.99.

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Free

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Availability checked 16 November 2026.

What happens in “Grodd Lives”

While Barry tries to find Eddie, a mysterious mind-controlled thief launches attacks on Central City's gold reserves. The team soon discovers that a telepathic gorilla is behind the robberies... and is following Harrison's commands. Meanwhile, Iris confronts Barry, while Harrison prepares to return home.

Episode summary: TMDB.

Before you watch

  • It is episode 21 of 23 of season 1, so watch episodes 1 to 20 first.
  • It runs about 41 minutes.
  • Directed by Dermott Downs, written by Grainne Godfree and Kai Yu Wu.
  • TMDB users rate it 7.4 out of 10 (61 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
Dermott Downs
Writers
Grainne GodfreeKai Yu Wu
Guest stars
Clancy Brown as General Wade EilingJane Hancock as MotherJason McKinnon as DriverDavid Sobolov as Gorilla Grodd (voice)Patrick Sabongui as David Singh

Credits: TMDB.

More from The Flash Season 1

Previous · S01E20The Trap28 April 2015Next · S01E22Rogue Air12 May 2015
  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 1The 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.