Streaming, rent, or buy The Flash – Season 6:
Currently you are able to watch "The Flash - Season 6" streaming on Amazon Prime Video, Amazon Prime Video with Ads, ITVX Premium or for free with ads on ITVX. It is also possible to buy "The Flash - Season 6" as download on Apple TV, Amazon Video, Sky Store.
Besides streaming, you can also buy the season on DVD from Zavvi and watch it anytime.
There aren't any free streaming options for The Flash right now. If you want know when it is streaming for free, click 'Free' in the filters above and hit the notification bell.
