Currently available on 3 streaming services.

Streaming, rent, or buy The Flash – Season 4:

Currently you are able to watch "The Flash - Season 4" streaming on Netflix, Netflix basic with Ads or buy it as download on Apple TV.

Where can I watch The Flash for free?

There are no options to watch The Flash for free online today in Canada. You can select 'Free' and hit the notification bell to be notified when season is available to watch for free on streaming services and TV.

Cast

Grant Gustin
Barry Allen / The Flash
Candice Patton
Iris West-Allen
Danielle Panabaker
Khione
Danielle Nicolet
Cecile Horton
Kayla Compton
Allegra Garcia
Brandon McKnight
Chester P. Runk
Jon Cor
Mark Blaine / Chillblaine