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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Stream (subscription)
Watch now on Prime VideoPrime Video
Subscription
$12.99/mth (Amazon Prime Monthly plan)
Stream now on HBO MaxHBO Max
Subscription
From $11.99/mth
Watch now on StanStan
Subscription
From $9.99/mth
Free
Watch 9Now on 9Now9Now
Free with ads
Buy or rent
Stream now on Apple TVApple TV
Buy
Buy from $29.99 a season
Get Fetch on Fetch TVFetch TV
Buy
Buy from $29.99 a season
Rent or buy on Prime Video StorePrime Video Store
Buy
Buy from $27.99 a season
Availability checked 16 November 2026.
What happens in “Monster”
Caitlin goes to her mother to help understand the meta-human powers growing inside her. Meanwhile Barry tries to convince Julian to allow him to help investigate a new human meta-attack on Central City.
Episode summary: TMDB.
Before you watch
- It is episode 5 of 23 of season 3, so watch episodes 1 to 4 first.
- It runs about 42 minutes.
- Directed by C. Kim Miles, written by Zack Stentz.
- TMDB users rate it 7.2 out of 10 (41 votes).
The Flash trailer
The official trailer for the series (no preview of this episode has been published).
Play video: The Flash trailer
Cast and crew of this episode
- Director
- C. Kim Miles
- Writer
- Zack Stentz
- Guest stars
- Isaiah Lehtinen as KidThomas Cadrot as NigelBriana Rayner as ReceptionistSusan Walters as Dr. Carla TannhauserPatrick Sabongui as David Singh
Credits: TMDB.
More from The Flash Season 3
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.