If you’re based in the UK and you’re looking to stream Flow in Ultra High Definition for free (yes, 100% free), there’s a great legal method you can use at the moment (October 2026), here’s how to do it in a few steps:
At the moment, you can stream Flow for free via MUBI, a service you can use for free via Prime Video (even if you don’t have Prime Video). It’s super easy to start and cancel this MUBI free trial, and as long as you remember to cancel the MUBI free trial after you’ve watched the movie and before the 7 days are over, you won’t be charged. There’s no catch – this is just a great way to stream this excellent movie for free in crystal-clear quality without any annoying pop-up ads or sketchy websites!
To watch Flow for free, all you have to do is:
- Visit the page for Flow on Prime Video
- Click the ‘Watch with MUBI’ button to start the 7 day free trial
- Watch the full, uncut movie in Ultra HD, with 9 subtitle options
- Cancel the MUBI trial before the 7 days are up to avoid being charged (you can cancel right after watching, just to be safe! It’s easy to do this in your Account settings)
- and that’s it – you just watched Flow online in excellent quality, without paying anything!
You can start and cancel the MUBI free trial very easily, as explained on the Prime Video page for Flow.
Don’t Have Prime Video? No Problem!
This is really easy to do if you already have Prime Video, but even if you don’t have Prime Video it’s no problem – you can still use the MUBI 7 day free trial as long as you have an Amazon account:
So if you want to stream Flow for free in excellent quality, this is easily the best way we’ve found at the moment (April 2026). Here’s the Prime Video page for Flow where you can take advantage of the free trial.
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