Detectorists - watch online: streaming, buy or rent
Currently you are able to watch "Detectorists" streaming on Acorn TV, AcornTV Amazon Channel, Spectrum On Demand, Acorn TV Apple TV, fuboTV or for free with ads on The Roku Channel, Amazon Prime Video Free with Ads. It is also possible to buy "Detectorists" as download on Apple TV, Amazon Video.
Besides streaming, the series is also available on Blu-ray from Amazon DVD / Blu-ray.
You can also stream the title for free on Hoopla, Plex, Plex Player, Plex Channel, Fawesome, The CW.