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The Flash S01E19, Who Is Harrison Wells?S01E19

The Flash · Season 1

The Flash season 1 episode 19: Who Is Harrison Wells?

Aired 21 April 201541 minRated TV-PG

8.0TMDB · 65 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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Availability checked 16 November 2026.

What happens in “Who Is Harrison Wells?”

Joe and Cisco go to Starling City to ask Quentin Lance for his help investigating the site of Harrison's car accident 15 years ago and determining what really happened. Meanwhile, Eddie is framed for a shooting by a shapeshifing metahuman who can take on the appearance of anyone he touches.

Episode summary: TMDB.

Before you watch

  • It is episode 19 of 23 of season 1, so watch episodes 1 to 18 first.
  • It runs about 41 minutes.
  • Directed by Wendey Stanzler, written by Ray Utarnachitt and Cortney Norris.
  • TMDB users rate it 8.0 out of 10 (65 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
Wendey Stanzler
Writers
Ray UtarnachittCortney Norris
Guest stars
Danielle Nicolet as Cecile HortonKatie Cassidy as Laurel LanceAtlin Mitchell as NinaMartin Novotny as Hannibal BatesBarbara Wallace as Grandma BatesLaiken Laverock as Little GirlKing Lau as Hulking ManChris Webb as Trusting Man Face

Credits: TMDB.

More from The Flash Season 1

Previous · S01E18All Star Team Up14 April 2015Next · S01E20The Trap28 April 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.